20512890876

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{2207}}^1\times {\mathrm{10909}}^1$

素因数の和:13194

約数の個数: 48

約数和(自身を含む): 48563988480

約数和(自身を除く): 28051097604

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 2207, 4414, 6621, 8828, 10909, 13242, 21818, 26484, 32727, 43636, 65454, 130908, 156697, 313394, 470091, 626788, 774539, 940182, 1549078, 1880364, 2323617, 3098156, 4647234, 9294468, 24076163, 48152326, 72228489, 96304652, 144456978, 288913956, 1709407573, 3418815146, 5128222719, 6837630292, 10256445438, 20512890876]

約数ペア:

[(1, 20512890876), (2, 10256445438), (3, 6837630292), (4, 5128222719), (6, 3418815146), (12, 1709407573), (71, 288913956), (142, 144456978), (213, 96304652), (284, 72228489), (426, 48152326), (852, 24076163), (2207, 9294468), (4414, 4647234), (6621, 3098156), (8828, 2323617), (10909, 1880364), (13242, 1549078), (21818, 940182), (26484, 774539), (32727, 626788), (43636, 470091), (65454, 313394), (130908, 156697)]