20163856880

素因数分解:

$2^4\times 5^1\times {\mathrm{6163}}^1\times {\mathrm{40897}}^1$

素因数の和:47073

約数の個数: 40

約数和(自身を含む): 46889720592

約数和(自身を除く): 26725863712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6163, 12326, 24652, 30815, 40897, 49304, 61630, 81794, 98608, 123260, 163588, 204485, 246520, 327176, 408970, 493040, 654352, 817940, 1635880, 3271760, 252048211, 504096422, 1008192844, 1260241055, 2016385688, 2520482110, 4032771376, 5040964220, 10081928440, 20163856880]

約数ペア:

[(1, 20163856880), (2, 10081928440), (4, 5040964220), (5, 4032771376), (8, 2520482110), (10, 2016385688), (16, 1260241055), (20, 1008192844), (40, 504096422), (80, 252048211), (6163, 3271760), (12326, 1635880), (24652, 817940), (30815, 654352), (40897, 493040), (49304, 408970), (61630, 327176), (81794, 246520), (98608, 204485), (123260, 163588)]