20915215656

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1479571}}^1$

素因数の和:1479630

約数の個数: 64

約数和(自身を含む): 56815564800

約数和(自身を除く): 35900349144

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 372, 456, 589, 744, 1178, 1767, 2356, 3534, 4712, 7068, 14136, 1479571, 2959142, 4438713, 5918284, 8877426, 11836568, 17754852, 28111849, 35509704, 45866701, 56223698, 84335547, 91733402, 112447396, 137600103, 168671094, 183466804, 224894792, 275200206, 337342188, 366933608, 550400412, 674684376, 871467319, 1100800824, 1742934638, 2614401957, 3485869276, 5228803914, 6971738552, 10457607828, 20915215656]

約数ペア:

[(1, 20915215656), (2, 10457607828), (3, 6971738552), (4, 5228803914), (6, 3485869276), (8, 2614401957), (12, 1742934638), (19, 1100800824), (24, 871467319), (31, 674684376), (38, 550400412), (57, 366933608), (62, 337342188), (76, 275200206), (93, 224894792), (114, 183466804), (124, 168671094), (152, 137600103), (186, 112447396), (228, 91733402), (248, 84335547), (372, 56223698), (456, 45866701), (589, 35509704), (744, 28111849), (1178, 17754852), (1767, 11836568), (2356, 8877426), (3534, 5918284), (4712, 4438713), (7068, 2959142), (14136, 1479571)]