20718030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{2357}}^1$

素因数の和:2660

約数の個数: 32

約数和(自身を含む): 49914144

約数和(自身を除く): 29196114

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 293, 586, 879, 1465, 1758, 2357, 2930, 4395, 4714, 7071, 8790, 11785, 14142, 23570, 35355, 70710, 690601, 1381202, 2071803, 3453005, 4143606, 6906010, 10359015, 20718030]

約数ペア:

[(1, 20718030), (2, 10359015), (3, 6906010), (5, 4143606), (6, 3453005), (10, 2071803), (15, 1381202), (30, 690601), (293, 70710), (586, 35355), (879, 23570), (1465, 14142), (1758, 11785), (2357, 8790), (2930, 7071), (4395, 4714)]