20212360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1951}}^1$

素因数の和:2006

約数の個数: 64

約数和(自身を含む): 53406720

約数和(自身を除く): 33194360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 1951, 2072, 2590, 3902, 5180, 7804, 9755, 10360, 13657, 15608, 19510, 27314, 39020, 54628, 68285, 72187, 78040, 109256, 136570, 144374, 273140, 288748, 360935, 505309, 546280, 577496, 721870, 1010618, 1443740, 2021236, 2526545, 2887480, 4042472, 5053090, 10106180, 20212360]

約数ペア:

[(1, 20212360), (2, 10106180), (4, 5053090), (5, 4042472), (7, 2887480), (8, 2526545), (10, 2021236), (14, 1443740), (20, 1010618), (28, 721870), (35, 577496), (37, 546280), (40, 505309), (56, 360935), (70, 288748), (74, 273140), (140, 144374), (148, 136570), (185, 109256), (259, 78040), (280, 72187), (296, 68285), (370, 54628), (518, 39020), (740, 27314), (1036, 19510), (1295, 15608), (1480, 13657), (1951, 10360), (2072, 9755), (2590, 7804), (3902, 5180)]