20613426

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{733}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 42630720

約数和(自身を除く): 22017294

約数列:

[1, 2, 3, 6, 43, 86, 109, 129, 218, 258, 327, 654, 733, 1466, 2199, 4398, 4687, 9374, 14061, 28122, 31519, 63038, 79897, 94557, 159794, 189114, 239691, 479382, 3435571, 6871142, 10306713, 20613426]

約数ペア:

[(1, 20613426), (2, 10306713), (3, 6871142), (6, 3435571), (43, 479382), (86, 239691), (109, 189114), (129, 159794), (218, 94557), (258, 79897), (327, 63038), (654, 31519), (733, 28122), (1466, 14061), (2199, 9374), (4398, 4687)]