20621748

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2063}}^1$

素因数の和:2101

約数の個数: 72

約数和(自身を含む): 59294592

約数和(自身を除く): 38672844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 49, 51, 68, 84, 98, 102, 119, 147, 196, 204, 238, 294, 357, 476, 588, 714, 833, 1428, 1666, 2063, 2499, 3332, 4126, 4998, 6189, 8252, 9996, 12378, 14441, 24756, 28882, 35071, 43323, 57764, 70142, 86646, 101087, 105213, 140284, 173292, 202174, 210426, 245497, 303261, 404348, 420852, 490994, 606522, 736491, 981988, 1213044, 1472982, 1718479, 2945964, 3436958, 5155437, 6873916, 10310874, 20621748]

約数ペア:

[(1, 20621748), (2, 10310874), (3, 6873916), (4, 5155437), (6, 3436958), (7, 2945964), (12, 1718479), (14, 1472982), (17, 1213044), (21, 981988), (28, 736491), (34, 606522), (42, 490994), (49, 420852), (51, 404348), (68, 303261), (84, 245497), (98, 210426), (102, 202174), (119, 173292), (147, 140284), (196, 105213), (204, 101087), (238, 86646), (294, 70142), (357, 57764), (476, 43323), (588, 35071), (714, 28882), (833, 24756), (1428, 14441), (1666, 12378), (2063, 9996), (2499, 8252), (3332, 6189), (4126, 4998)]