20645954

素因数分解:

$2^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{1103}}^1$

素因数の和:1310

約数の個数: 24

約数和(自身を含む): 36246528

約数和(自身を除く): 15600574

約数列:

[1, 2, 7, 14, 49, 98, 191, 382, 1103, 1337, 2206, 2674, 7721, 9359, 15442, 18718, 54047, 108094, 210673, 421346, 1474711, 2949422, 10322977, 20645954]

約数ペア:

[(1, 20645954), (2, 10322977), (7, 2949422), (14, 1474711), (49, 421346), (98, 210673), (191, 108094), (382, 54047), (1103, 18718), (1337, 15442), (2206, 9359), (2674, 7721)]