20138087838

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^2\times {\mathrm{433}}^1$

素因数の和:583

約数の個数: 144

約数和(自身を含む): 46900279440

約数和(自身を除く): 26762191602

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 47, 58, 66, 87, 94, 121, 141, 174, 242, 282, 319, 363, 433, 517, 638, 726, 866, 957, 1034, 1299, 1363, 1551, 1914, 2209, 2598, 2726, 3102, 3509, 4089, 4418, 4763, 5687, 6627, 7018, 8178, 9526, 10527, 11374, 12557, 13254, 14289, 14993, 17061, 20351, 21054, 24299, 25114, 28578, 29986, 34122, 37671, 40702, 44979, 48598, 52393, 61053, 64061, 72897, 75342, 89958, 104786, 122106, 128122, 138127, 145794, 157179, 164923, 192183, 223861, 267289, 276254, 314358, 329846, 384366, 414381, 447722, 494769, 534578, 590179, 671583, 704671, 801867, 828762, 956497, 989538, 1180358, 1343166, 1409342, 1519397, 1603734, 1770537, 1912994, 2114013, 2462471, 2869491, 3038794, 3541074, 4228026, 4558191, 4924942, 5738982, 6491969, 7387413, 7751381, 9116382, 10521467, 12983938, 14774826, 15502762, 19475907, 21042934, 23254143, 27738413, 31564401, 38951814, 46508286, 55476826, 63128802, 71411659, 83215239, 115736137, 142823318, 166430478, 214234977, 231472274, 305122543, 347208411, 428469954, 610245086, 694416822, 915367629, 1830735258, 3356347973, 6712695946, 10069043919, 20138087838]

約数ペア:

[(1, 20138087838), (2, 10069043919), (3, 6712695946), (6, 3356347973), (11, 1830735258), (22, 915367629), (29, 694416822), (33, 610245086), (47, 428469954), (58, 347208411), (66, 305122543), (87, 231472274), (94, 214234977), (121, 166430478), (141, 142823318), (174, 115736137), (242, 83215239), (282, 71411659), (319, 63128802), (363, 55476826), (433, 46508286), (517, 38951814), (638, 31564401), (726, 27738413), (866, 23254143), (957, 21042934), (1034, 19475907), (1299, 15502762), (1363, 14774826), (1551, 12983938), (1914, 10521467), (2209, 9116382), (2598, 7751381), (2726, 7387413), (3102, 6491969), (3509, 5738982), (4089, 4924942), (4418, 4558191), (4763, 4228026), (5687, 3541074), (6627, 3038794), (7018, 2869491), (8178, 2462471), (9526, 2114013), (10527, 1912994), (11374, 1770537), (12557, 1603734), (13254, 1519397), (14289, 1409342), (14993, 1343166), (17061, 1180358), (20351, 989538), (21054, 956497), (24299, 828762), (25114, 801867), (28578, 704671), (29986, 671583), (34122, 590179), (37671, 534578), (40702, 494769), (44979, 447722), (48598, 414381), (52393, 384366), (61053, 329846), (64061, 314358), (72897, 276254), (75342, 267289), (89958, 223861), (104786, 192183), (122106, 164923), (128122, 157179), (138127, 145794)]