20089810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6719}}^1$

素因数の和:6762

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 20552750

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6719, 13438, 33595, 67190, 87347, 154537, 174694, 309074, 436735, 772685, 873470, 1545370, 2008981, 4017962, 10044905, 20089810]

約数ペア:

[(1, 20089810), (2, 10044905), (5, 4017962), (10, 2008981), (13, 1545370), (23, 873470), (26, 772685), (46, 436735), (65, 309074), (115, 174694), (130, 154537), (230, 87347), (299, 67190), (598, 33595), (1495, 13438), (2990, 6719)]