20070680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1667}}^1$

素因数の和:1728

約数の個数: 64

約数和(自身を含む): 52842240

約数和(自身を除く): 32771560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1667, 1720, 2408, 3010, 3334, 6020, 6668, 8335, 11669, 12040, 13336, 16670, 23338, 33340, 46676, 58345, 66680, 71681, 93352, 116690, 143362, 233380, 286724, 358405, 466760, 501767, 573448, 716810, 1003534, 1433620, 2007068, 2508835, 2867240, 4014136, 5017670, 10035340, 20070680]

約数ペア:

[(1, 20070680), (2, 10035340), (4, 5017670), (5, 4014136), (7, 2867240), (8, 2508835), (10, 2007068), (14, 1433620), (20, 1003534), (28, 716810), (35, 573448), (40, 501767), (43, 466760), (56, 358405), (70, 286724), (86, 233380), (140, 143362), (172, 116690), (215, 93352), (280, 71681), (301, 66680), (344, 58345), (430, 46676), (602, 33340), (860, 23338), (1204, 16670), (1505, 13336), (1667, 12040), (1720, 11669), (2408, 8335), (3010, 6668), (3334, 6020)]