20723716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2909}}^1$

素因数の和:3063

約数の個数: 24

約数和(自身を含む): 39354840

約数和(自身を除く): 18631124

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 2909, 3562, 5818, 7124, 11636, 37817, 75634, 151268, 398533, 797066, 1594132, 5180929, 10361858, 20723716]

約数ペア:

[(1, 20723716), (2, 10361858), (4, 5180929), (13, 1594132), (26, 797066), (52, 398533), (137, 151268), (274, 75634), (548, 37817), (1781, 11636), (2909, 7124), (3562, 5818)]