20218986506

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{283}}^1\times {\mathrm{3271}}^1$

素因数の和:3786

約数の個数: 32

約数和(自身を含む): 31088921088

約数和(自身を除く): 10869934582

約数列:

[1, 2, 67, 134, 163, 283, 326, 566, 3271, 6542, 10921, 18961, 21842, 37922, 46129, 92258, 219157, 438314, 533173, 925693, 1066346, 1851386, 3090643, 6181286, 35722591, 62021431, 71445182, 124042862, 150887959, 301775918, 10109493253, 20218986506]

約数ペア:

[(1, 20218986506), (2, 10109493253), (67, 301775918), (134, 150887959), (163, 124042862), (283, 71445182), (326, 62021431), (566, 35722591), (3271, 6181286), (6542, 3090643), (10921, 1851386), (18961, 1066346), (21842, 925693), (37922, 533173), (46129, 438314), (92258, 219157)]