20643012

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^3\times {\mathrm{29}}^1$

素因数の和:84

約数の個数: 120

約数和(自身を含む): 60475800

約数和(自身を除く): 39832788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 29, 36, 39, 52, 54, 58, 78, 81, 87, 108, 116, 117, 156, 162, 169, 174, 234, 261, 324, 338, 348, 351, 377, 468, 507, 522, 676, 702, 754, 783, 1014, 1044, 1053, 1131, 1404, 1508, 1521, 1566, 2028, 2106, 2197, 2262, 2349, 3042, 3132, 3393, 4212, 4394, 4524, 4563, 4698, 4901, 6084, 6591, 6786, 8788, 9126, 9396, 9802, 10179, 13182, 13572, 13689, 14703, 18252, 19604, 19773, 20358, 26364, 27378, 29406, 30537, 39546, 40716, 44109, 54756, 58812, 59319, 61074, 63713, 79092, 88218, 118638, 122148, 127426, 132327, 176436, 177957, 191139, 237276, 254852, 264654, 355914, 382278, 396981, 529308, 573417, 711828, 764556, 793962, 1146834, 1587924, 1720251, 2293668, 3440502, 5160753, 6881004, 10321506, 20643012]

約数ペア:

[(1, 20643012), (2, 10321506), (3, 6881004), (4, 5160753), (6, 3440502), (9, 2293668), (12, 1720251), (13, 1587924), (18, 1146834), (26, 793962), (27, 764556), (29, 711828), (36, 573417), (39, 529308), (52, 396981), (54, 382278), (58, 355914), (78, 264654), (81, 254852), (87, 237276), (108, 191139), (116, 177957), (117, 176436), (156, 132327), (162, 127426), (169, 122148), (174, 118638), (234, 88218), (261, 79092), (324, 63713), (338, 61074), (348, 59319), (351, 58812), (377, 54756), (468, 44109), (507, 40716), (522, 39546), (676, 30537), (702, 29406), (754, 27378), (783, 26364), (1014, 20358), (1044, 19773), (1053, 19604), (1131, 18252), (1404, 14703), (1508, 13689), (1521, 13572), (1566, 13182), (2028, 10179), (2106, 9802), (2197, 9396), (2262, 9126), (2349, 8788), (3042, 6786), (3132, 6591), (3393, 6084), (4212, 4901), (4394, 4698), (4524, 4563)]