20134270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2539}}^1$

素因数の和:2620

約数の個数: 32

約数和(自身を含む): 39684960

約数和(自身を除く): 19550690

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 2539, 3965, 5078, 7930, 12695, 25390, 33007, 66014, 154879, 165035, 309758, 330070, 774395, 1548790, 2013427, 4026854, 10067135, 20134270]

約数ペア:

[(1, 20134270), (2, 10067135), (5, 4026854), (10, 2013427), (13, 1548790), (26, 774395), (61, 330070), (65, 309758), (122, 165035), (130, 154879), (305, 66014), (610, 33007), (793, 25390), (1586, 12695), (2539, 7930), (3965, 5078)]