20176090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1231}}^1$

素因数の和:1398

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 19740710

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 149, 298, 745, 1231, 1490, 1639, 2462, 3278, 6155, 8195, 12310, 13541, 16390, 27082, 67705, 135410, 183419, 366838, 917095, 1834190, 2017609, 4035218, 10088045, 20176090]

約数ペア:

[(1, 20176090), (2, 10088045), (5, 4035218), (10, 2017609), (11, 1834190), (22, 917095), (55, 366838), (110, 183419), (149, 135410), (298, 67705), (745, 27082), (1231, 16390), (1490, 13541), (1639, 12310), (2462, 8195), (3278, 6155)]