20454476

素因数分解:

$2^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2207}}^1$

素因数の和:2549

約数の個数: 24

約数和(自身を含む): 41051136

約数和(自身を除く): 20596660

約数列:

[1, 2, 4, 7, 14, 28, 331, 662, 1324, 2207, 2317, 4414, 4634, 8828, 9268, 15449, 30898, 61796, 730517, 1461034, 2922068, 5113619, 10227238, 20454476]

約数ペア:

[(1, 20454476), (2, 10227238), (4, 5113619), (7, 2922068), (14, 1461034), (28, 730517), (331, 61796), (662, 30898), (1324, 15449), (2207, 9268), (2317, 8828), (4414, 4634)]