20471672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11579}}^1$

素因数の和:11615

約数の個数: 32

約数和(自身を含む): 43772400

約数和(自身を除く): 23300728

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11579, 23158, 46316, 92632, 150527, 196843, 301054, 393686, 602108, 787372, 1204216, 1574744, 2558959, 5117918, 10235836, 20471672]

約数ペア:

[(1, 20471672), (2, 10235836), (4, 5117918), (8, 2558959), (13, 1574744), (17, 1204216), (26, 787372), (34, 602108), (52, 393686), (68, 301054), (104, 196843), (136, 150527), (221, 92632), (442, 46316), (884, 23158), (1768, 11579)]