20918406

素因数分解:

$2^1\times 3^1\times {\mathrm{601}}^1\times {\mathrm{5801}}^1$

素因数の和:6407

約数の個数: 16

約数和(自身を含む): 41913648

約数和(自身を除く): 20995242

約数列:

[1, 2, 3, 6, 601, 1202, 1803, 3606, 5801, 11602, 17403, 34806, 3486401, 6972802, 10459203, 20918406]

約数ペア:

[(1, 20918406), (2, 10459203), (3, 6972802), (6, 3486401), (601, 34806), (1202, 17403), (1803, 11602), (3606, 5801)]