20514672

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^1\times {\mathrm{1307}}^1$

素因数の和:1430

約数の個数: 60

約数和(自身を含む): 57983640

約数和(自身を除く): 37468968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 144, 218, 327, 436, 654, 872, 981, 1307, 1308, 1744, 1962, 2614, 2616, 3921, 3924, 5228, 5232, 7842, 7848, 10456, 11763, 15684, 15696, 20912, 23526, 31368, 47052, 62736, 94104, 142463, 188208, 284926, 427389, 569852, 854778, 1139704, 1282167, 1709556, 2279408, 2564334, 3419112, 5128668, 6838224, 10257336, 20514672]

約数ペア:

[(1, 20514672), (2, 10257336), (3, 6838224), (4, 5128668), (6, 3419112), (8, 2564334), (9, 2279408), (12, 1709556), (16, 1282167), (18, 1139704), (24, 854778), (36, 569852), (48, 427389), (72, 284926), (109, 188208), (144, 142463), (218, 94104), (327, 62736), (436, 47052), (654, 31368), (872, 23526), (981, 20912), (1307, 15696), (1308, 15684), (1744, 11763), (1962, 10456), (2614, 7848), (2616, 7842), (3921, 5232), (3924, 5228)]