20018580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{599}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 56246400

約数和(自身を除く): 36227820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 557, 599, 1114, 1198, 1671, 1797, 2228, 2396, 2785, 2995, 3342, 3594, 5570, 5990, 6684, 7188, 8355, 8985, 11140, 11980, 16710, 17970, 33420, 35940, 333643, 667286, 1000929, 1334572, 1668215, 2001858, 3336430, 4003716, 5004645, 6672860, 10009290, 20018580]

約数ペア:

[(1, 20018580), (2, 10009290), (3, 6672860), (4, 5004645), (5, 4003716), (6, 3336430), (10, 2001858), (12, 1668215), (15, 1334572), (20, 1000929), (30, 667286), (60, 333643), (557, 35940), (599, 33420), (1114, 17970), (1198, 16710), (1671, 11980), (1797, 11140), (2228, 8985), (2396, 8355), (2785, 7188), (2995, 6684), (3342, 5990), (3594, 5570)]