20559710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{449}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 39204000

約数和(自身を除く): 18644290

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 241, 449, 482, 898, 1205, 2245, 2410, 4490, 4579, 8531, 9158, 17062, 22895, 42655, 45790, 85310, 108209, 216418, 541045, 1082090, 2055971, 4111942, 10279855, 20559710]

約数ペア:

[(1, 20559710), (2, 10279855), (5, 4111942), (10, 2055971), (19, 1082090), (38, 541045), (95, 216418), (190, 108209), (241, 85310), (449, 45790), (482, 42655), (898, 22895), (1205, 17062), (2245, 9158), (2410, 8531), (4490, 4579)]