20147640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{443}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 60739200

約数和(自身を除く): 40591560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 379, 443, 758, 886, 1137, 1329, 1516, 1772, 1895, 2215, 2274, 2658, 3032, 3544, 3790, 4430, 4548, 5316, 5685, 6645, 7580, 8860, 9096, 10632, 11370, 13290, 15160, 17720, 22740, 26580, 45480, 53160, 167897, 335794, 503691, 671588, 839485, 1007382, 1343176, 1678970, 2014764, 2518455, 3357940, 4029528, 5036910, 6715880, 10073820, 20147640]

約数ペア:

[(1, 20147640), (2, 10073820), (3, 6715880), (4, 5036910), (5, 4029528), (6, 3357940), (8, 2518455), (10, 2014764), (12, 1678970), (15, 1343176), (20, 1007382), (24, 839485), (30, 671588), (40, 503691), (60, 335794), (120, 167897), (379, 53160), (443, 45480), (758, 26580), (886, 22740), (1137, 17720), (1329, 15160), (1516, 13290), (1772, 11370), (1895, 10632), (2215, 9096), (2274, 8860), (2658, 7580), (3032, 6645), (3544, 5685), (3790, 5316), (4430, 4548)]