20342510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 38098944

約数和(自身を除く): 17756434

約数列:

[1, 2, 5, 10, 31, 62, 155, 211, 310, 311, 422, 622, 1055, 1555, 2110, 3110, 6541, 9641, 13082, 19282, 32705, 48205, 65410, 65621, 96410, 131242, 328105, 656210, 2034251, 4068502, 10171255, 20342510]

約数ペア:

[(1, 20342510), (2, 10171255), (5, 4068502), (10, 2034251), (31, 656210), (62, 328105), (155, 131242), (211, 96410), (310, 65621), (311, 65410), (422, 48205), (622, 32705), (1055, 19282), (1555, 13082), (2110, 9641), (3110, 6541)]