20288700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{22543}}^1$

素因数の和:22563

約数の個数: 54

約数和(自身を含む): 63596624

約数和(自身を除く): 43307924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 22543, 45086, 67629, 90172, 112715, 135258, 202887, 225430, 270516, 338145, 405774, 450860, 563575, 676290, 811548, 1014435, 1127150, 1352580, 1690725, 2028870, 2254300, 3381450, 4057740, 5072175, 6762900, 10144350, 20288700]

約数ペア:

[(1, 20288700), (2, 10144350), (3, 6762900), (4, 5072175), (5, 4057740), (6, 3381450), (9, 2254300), (10, 2028870), (12, 1690725), (15, 1352580), (18, 1127150), (20, 1014435), (25, 811548), (30, 676290), (36, 563575), (45, 450860), (50, 405774), (60, 338145), (75, 270516), (90, 225430), (100, 202887), (150, 135258), (180, 112715), (225, 90172), (300, 67629), (450, 45086), (900, 22543)]