20932840

素因数分解:

$2^3\times 5^1\times {\mathrm{677}}^1\times {\mathrm{773}}^1$

素因数の和:1461

約数の個数: 32

約数和(自身を含む): 47229480

約数和(自身を除く): 26296640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 677, 773, 1354, 1546, 2708, 3092, 3385, 3865, 5416, 6184, 6770, 7730, 13540, 15460, 27080, 30920, 523321, 1046642, 2093284, 2616605, 4186568, 5233210, 10466420, 20932840]

約数ペア:

[(1, 20932840), (2, 10466420), (4, 5233210), (5, 4186568), (8, 2616605), (10, 2093284), (20, 1046642), (40, 523321), (677, 30920), (773, 27080), (1354, 15460), (1546, 13540), (2708, 7730), (3092, 6770), (3385, 6184), (3865, 5416)]