20356744

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 39143520

約数和(自身を除く): 18786776

約数列:

[1, 2, 4, 8, 67, 134, 163, 233, 268, 326, 466, 536, 652, 932, 1304, 1864, 10921, 15611, 21842, 31222, 37979, 43684, 62444, 75958, 87368, 124888, 151916, 303832, 2544593, 5089186, 10178372, 20356744]

約数ペア:

[(1, 20356744), (2, 10178372), (4, 5089186), (8, 2544593), (67, 303832), (134, 151916), (163, 124888), (233, 87368), (268, 75958), (326, 62444), (466, 43684), (536, 37979), (652, 31222), (932, 21842), (1304, 15611), (1864, 10921)]