20498967

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1348

約数の個数: 32

約数和(自身を含む): 33024000

約数和(自身を除く): 12525033

約数列:

[1, 3, 9, 19, 27, 31, 57, 93, 171, 279, 513, 589, 837, 1289, 1767, 3867, 5301, 11601, 15903, 24491, 34803, 39959, 73473, 119877, 220419, 359631, 661257, 759221, 1078893, 2277663, 6832989, 20498967]

約数ペア:

[(1, 20498967), (3, 6832989), (9, 2277663), (19, 1078893), (27, 759221), (31, 661257), (57, 359631), (93, 220419), (171, 119877), (279, 73473), (513, 39959), (589, 34803), (837, 24491), (1289, 15903), (1767, 11601), (3867, 5301)]