20460384

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:242

約数の個数: 192

約数和(自身を含む): 72576000

約数和(自身を除く): 52115616

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 32, 34, 36, 42, 48, 51, 54, 56, 63, 68, 72, 84, 96, 102, 108, 112, 119, 126, 136, 144, 153, 168, 189, 199, 204, 216, 224, 238, 252, 272, 288, 306, 336, 357, 378, 398, 408, 432, 459, 476, 504, 544, 597, 612, 672, 714, 756, 796, 816, 864, 918, 952, 1008, 1071, 1194, 1224, 1393, 1428, 1512, 1592, 1632, 1791, 1836, 1904, 2016, 2142, 2388, 2448, 2786, 2856, 3024, 3184, 3213, 3383, 3582, 3672, 3808, 4179, 4284, 4776, 4896, 5373, 5572, 5712, 6048, 6368, 6426, 6766, 7164, 7344, 8358, 8568, 9552, 10149, 10746, 11144, 11424, 12537, 12852, 13532, 14328, 14688, 16716, 17136, 19104, 20298, 21492, 22288, 23681, 25074, 25704, 27064, 28656, 30447, 33432, 34272, 37611, 40596, 42984, 44576, 47362, 50148, 51408, 54128, 57312, 60894, 66864, 71043, 75222, 81192, 85968, 91341, 94724, 100296, 102816, 108256, 121788, 133728, 142086, 150444, 162384, 171936, 182682, 189448, 200592, 213129, 243576, 284172, 300888, 324768, 365364, 378896, 401184, 426258, 487152, 568344, 601776, 639387, 730728, 757792, 852516, 974304, 1136688, 1203552, 1278774, 1461456, 1705032, 2273376, 2557548, 2922912, 3410064, 5115096, 6820128, 10230192, 20460384]

約数ペア:

[(1, 20460384), (2, 10230192), (3, 6820128), (4, 5115096), (6, 3410064), (7, 2922912), (8, 2557548), (9, 2273376), (12, 1705032), (14, 1461456), (16, 1278774), (17, 1203552), (18, 1136688), (21, 974304), (24, 852516), (27, 757792), (28, 730728), (32, 639387), (34, 601776), (36, 568344), (42, 487152), (48, 426258), (51, 401184), (54, 378896), (56, 365364), (63, 324768), (68, 300888), (72, 284172), (84, 243576), (96, 213129), (102, 200592), (108, 189448), (112, 182682), (119, 171936), (126, 162384), (136, 150444), (144, 142086), (153, 133728), (168, 121788), (189, 108256), (199, 102816), (204, 100296), (216, 94724), (224, 91341), (238, 85968), (252, 81192), (272, 75222), (288, 71043), (306, 66864), (336, 60894), (357, 57312), (378, 54128), (398, 51408), (408, 50148), (432, 47362), (459, 44576), (476, 42984), (504, 40596), (544, 37611), (597, 34272), (612, 33432), (672, 30447), (714, 28656), (756, 27064), (796, 25704), (816, 25074), (864, 23681), (918, 22288), (952, 21492), (1008, 20298), (1071, 19104), (1194, 17136), (1224, 16716), (1393, 14688), (1428, 14328), (1512, 13532), (1592, 12852), (1632, 12537), (1791, 11424), (1836, 11144), (1904, 10746), (2016, 10149), (2142, 9552), (2388, 8568), (2448, 8358), (2786, 7344), (2856, 7164), (3024, 6766), (3184, 6426), (3213, 6368), (3383, 6048), (3582, 5712), (3672, 5572), (3808, 5373), (4179, 4896), (4284, 4776)]