20070830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2531}}^1$

素因数の和:2612

約数の個数: 32

約数和(自身を含む): 39559968

約数和(自身を除く): 19489138

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 2531, 3965, 5062, 7930, 12655, 25310, 32903, 65806, 154391, 164515, 308782, 329030, 771955, 1543910, 2007083, 4014166, 10035415, 20070830]

約数ペア:

[(1, 20070830), (2, 10035415), (5, 4014166), (10, 2007083), (13, 1543910), (26, 771955), (61, 329030), (65, 308782), (122, 164515), (130, 154391), (305, 65806), (610, 32903), (793, 25310), (1586, 12655), (2531, 7930), (3965, 5062)]