20721336

素因数分解:

$2^3\times 3^1\times {\mathrm{89}}^2\times {\mathrm{109}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 52872600

約数和(自身を除く): 32151264

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 89, 109, 178, 218, 267, 327, 356, 436, 534, 654, 712, 872, 1068, 1308, 2136, 2616, 7921, 9701, 15842, 19402, 23763, 29103, 31684, 38804, 47526, 58206, 63368, 77608, 95052, 116412, 190104, 232824, 863389, 1726778, 2590167, 3453556, 5180334, 6907112, 10360668, 20721336]

約数ペア:

[(1, 20721336), (2, 10360668), (3, 6907112), (4, 5180334), (6, 3453556), (8, 2590167), (12, 1726778), (24, 863389), (89, 232824), (109, 190104), (178, 116412), (218, 95052), (267, 77608), (327, 63368), (356, 58206), (436, 47526), (534, 38804), (654, 31684), (712, 29103), (872, 23763), (1068, 19402), (1308, 15842), (2136, 9701), (2616, 7921)]