20365366

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 36541440

約数和(自身を除く): 16176074

約数列:

[1, 2, 7, 14, 29, 58, 103, 203, 206, 406, 487, 721, 974, 1442, 2987, 3409, 5974, 6818, 14123, 20909, 28246, 41818, 50161, 98861, 100322, 197722, 351127, 702254, 1454669, 2909338, 10182683, 20365366]

約数ペア:

[(1, 20365366), (2, 10182683), (7, 2909338), (14, 1454669), (29, 702254), (58, 351127), (103, 197722), (203, 100322), (206, 98861), (406, 50161), (487, 41818), (721, 28246), (974, 20909), (1442, 14123), (2987, 6818), (3409, 5974)]