20001190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{521}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 39463200

約数和(自身を除く): 19462010

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 349, 521, 698, 1042, 1745, 2605, 3490, 3839, 5210, 5731, 7678, 11462, 19195, 28655, 38390, 57310, 181829, 363658, 909145, 1818290, 2000119, 4000238, 10000595, 20001190]

約数ペア:

[(1, 20001190), (2, 10000595), (5, 4000238), (10, 2000119), (11, 1818290), (22, 909145), (55, 363658), (110, 181829), (349, 57310), (521, 38390), (698, 28655), (1042, 19195), (1745, 11462), (2605, 7678), (3490, 5731), (3839, 5210)]