20119203

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2819}}^1$

素因数の和:2899

約数の個数: 24

約数和(自身を含む): 31820880

約数和(自身を除く): 11701677

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 2819, 7137, 8457, 25371, 36647, 109941, 171959, 329823, 515877, 1547631, 2235467, 6706401, 20119203]

約数ペア:

[(1, 20119203), (3, 6706401), (9, 2235467), (13, 1547631), (39, 515877), (61, 329823), (117, 171959), (183, 109941), (549, 36647), (793, 25371), (2379, 8457), (2819, 7137)]