20129656876

素因数分解:

$2^2\times 7^2\times {\mathrm{907}}^1\times {\mathrm{113233}}^1$

素因数の和:114158

約数の個数: 36

約数和(自身を含む): 41023772328

約数和(自身を除く): 20894115452

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 907, 1814, 3628, 6349, 12698, 25396, 44443, 88886, 113233, 177772, 226466, 452932, 792631, 1585262, 3170524, 5548417, 11096834, 22193668, 102702331, 205404662, 410809324, 718916317, 1437832634, 2875665268, 5032414219, 10064828438, 20129656876]

約数ペア:

[(1, 20129656876), (2, 10064828438), (4, 5032414219), (7, 2875665268), (14, 1437832634), (28, 718916317), (49, 410809324), (98, 205404662), (196, 102702331), (907, 22193668), (1814, 11096834), (3628, 5548417), (6349, 3170524), (12698, 1585262), (25396, 792631), (44443, 452932), (88886, 226466), (113233, 177772)]