20921257536

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{433}}^1$

素因数の和:709

約数の個数: 224

約数和(自身を含む): 59717927808

約数和(自身を除く): 38796670272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 113, 131, 136, 192, 204, 226, 262, 272, 339, 393, 408, 433, 452, 524, 544, 678, 786, 816, 866, 904, 1048, 1088, 1299, 1356, 1572, 1632, 1732, 1808, 1921, 2096, 2227, 2598, 2712, 3144, 3264, 3464, 3616, 3842, 4192, 4454, 5196, 5424, 5763, 6288, 6681, 6928, 7232, 7361, 7684, 8384, 8908, 10392, 10848, 11526, 12576, 13362, 13856, 14722, 14803, 15368, 17816, 20784, 21696, 22083, 23052, 25152, 26724, 27712, 29444, 29606, 30736, 35632, 41568, 44166, 44409, 46104, 48929, 53448, 56723, 58888, 59212, 61472, 71264, 83136, 88332, 88818, 92208, 97858, 106896, 113446, 117776, 118424, 122944, 142528, 146787, 170169, 176664, 177636, 184416, 195716, 213792, 226892, 235552, 236848, 251651, 293574, 340338, 353328, 355272, 368832, 391432, 427584, 453784, 471104, 473696, 503302, 587148, 680676, 706656, 710544, 754953, 782864, 831793, 907568, 947392, 964291, 1006604, 1174296, 1361352, 1413312, 1421088, 1509906, 1565728, 1663586, 1815136, 1928582, 2013208, 2348592, 2495379, 2722704, 2842176, 2892873, 3019812, 3131456, 3327172, 3630272, 3857164, 4026416, 4697184, 4990758, 5445408, 5785746, 6039624, 6409699, 6654344, 7714328, 8052832, 9394368, 9981516, 10890816, 11571492, 12079248, 12819398, 13308688, 15428656, 16105664, 19229097, 19963032, 23142984, 24158496, 25638796, 26617376, 30857312, 38458194, 39926064, 46285968, 48316992, 51277592, 53234752, 61714624, 76916388, 79852128, 92571936, 102555184, 108964883, 153832776, 159704256, 185143872, 205110368, 217929766, 307665552, 326894649, 410220736, 435859532, 615331104, 653789298, 871719064, 1230662208, 1307578596, 1743438128, 2615157192, 3486876256, 5230314384, 6973752512, 10460628768, 20921257536]

約数ペア:

[(1, 20921257536), (2, 10460628768), (3, 6973752512), (4, 5230314384), (6, 3486876256), (8, 2615157192), (12, 1743438128), (16, 1307578596), (17, 1230662208), (24, 871719064), (32, 653789298), (34, 615331104), (48, 435859532), (51, 410220736), (64, 326894649), (68, 307665552), (96, 217929766), (102, 205110368), (113, 185143872), (131, 159704256), (136, 153832776), (192, 108964883), (204, 102555184), (226, 92571936), (262, 79852128), (272, 76916388), (339, 61714624), (393, 53234752), (408, 51277592), (433, 48316992), (452, 46285968), (524, 39926064), (544, 38458194), (678, 30857312), (786, 26617376), (816, 25638796), (866, 24158496), (904, 23142984), (1048, 19963032), (1088, 19229097), (1299, 16105664), (1356, 15428656), (1572, 13308688), (1632, 12819398), (1732, 12079248), (1808, 11571492), (1921, 10890816), (2096, 9981516), (2227, 9394368), (2598, 8052832), (2712, 7714328), (3144, 6654344), (3264, 6409699), (3464, 6039624), (3616, 5785746), (3842, 5445408), (4192, 4990758), (4454, 4697184), (5196, 4026416), (5424, 3857164), (5763, 3630272), (6288, 3327172), (6681, 3131456), (6928, 3019812), (7232, 2892873), (7361, 2842176), (7684, 2722704), (8384, 2495379), (8908, 2348592), (10392, 2013208), (10848, 1928582), (11526, 1815136), (12576, 1663586), (13362, 1565728), (13856, 1509906), (14722, 1421088), (14803, 1413312), (15368, 1361352), (17816, 1174296), (20784, 1006604), (21696, 964291), (22083, 947392), (23052, 907568), (25152, 831793), (26724, 782864), (27712, 754953), (29444, 710544), (29606, 706656), (30736, 680676), (35632, 587148), (41568, 503302), (44166, 473696), (44409, 471104), (46104, 453784), (48929, 427584), (53448, 391432), (56723, 368832), (58888, 355272), (59212, 353328), (61472, 340338), (71264, 293574), (83136, 251651), (88332, 236848), (88818, 235552), (92208, 226892), (97858, 213792), (106896, 195716), (113446, 184416), (117776, 177636), (118424, 176664), (122944, 170169), (142528, 146787)]