20410192

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1303}}^1$

素因数の和:1411

約数の個数: 40

約数和(自身を含む): 43657920

約数和(自身を除く): 23247728

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1303, 1424, 1958, 2606, 3916, 5212, 7832, 10424, 14333, 15664, 20848, 28666, 57332, 114664, 115967, 229328, 231934, 463868, 927736, 1275637, 1855472, 2551274, 5102548, 10205096, 20410192]

約数ペア:

[(1, 20410192), (2, 10205096), (4, 5102548), (8, 2551274), (11, 1855472), (16, 1275637), (22, 927736), (44, 463868), (88, 231934), (89, 229328), (176, 115967), (178, 114664), (356, 57332), (712, 28666), (979, 20848), (1303, 15664), (1424, 14333), (1958, 10424), (2606, 7832), (3916, 5212)]