20792758

素因数分解:

$2^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{641}}^1$

素因数の和:988

約数の個数: 24

約数和(自身を含む): 36447624

約数和(自身を除く): 15654866

約数列:

[1, 2, 7, 14, 49, 98, 331, 641, 662, 1282, 2317, 4487, 4634, 8974, 16219, 31409, 32438, 62818, 212171, 424342, 1485197, 2970394, 10396379, 20792758]

約数ペア:

[(1, 20792758), (2, 10396379), (7, 2970394), (14, 1485197), (49, 424342), (98, 212171), (331, 62818), (641, 32438), (662, 31409), (1282, 16219), (2317, 8974), (4487, 4634)]