20433944

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 19102696

約数列:

[1, 2, 4, 8, 43, 86, 172, 191, 311, 344, 382, 622, 764, 1244, 1528, 2488, 8213, 13373, 16426, 26746, 32852, 53492, 59401, 65704, 106984, 118802, 237604, 475208, 2554243, 5108486, 10216972, 20433944]

約数ペア:

[(1, 20433944), (2, 10216972), (4, 5108486), (8, 2554243), (43, 475208), (86, 237604), (172, 118802), (191, 106984), (311, 65704), (344, 59401), (382, 53492), (622, 32852), (764, 26746), (1244, 16426), (1528, 13373), (2488, 8213)]