20199113968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{10687}}^1\times {\mathrm{10739}}^1$

素因数の和:21445

約数の個数: 40

約数和(自身を含む): 42701552640

約数和(自身を除く): 22502438672

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 10687, 10739, 21374, 21478, 42748, 42956, 85496, 85912, 117557, 118129, 170992, 171824, 235114, 236258, 470228, 472516, 940456, 945032, 1880912, 1890064, 114767693, 229535386, 459070772, 918141544, 1262444623, 1836283088, 2524889246, 5049778492, 10099556984, 20199113968]

約数ペア:

[(1, 20199113968), (2, 10099556984), (4, 5049778492), (8, 2524889246), (11, 1836283088), (16, 1262444623), (22, 918141544), (44, 459070772), (88, 229535386), (176, 114767693), (10687, 1890064), (10739, 1880912), (21374, 945032), (21478, 940456), (42748, 472516), (42956, 470228), (85496, 236258), (85912, 235114), (117557, 171824), (118129, 170992)]