20337070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2143}}^1$

素因数の和:2236

約数の個数: 32

約数和(自身を含む): 39981312

約数和(自身を除く): 19644242

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 2143, 4286, 4745, 9490, 10715, 21430, 27859, 55718, 139295, 156439, 278590, 312878, 782195, 1564390, 2033707, 4067414, 10168535, 20337070]

約数ペア:

[(1, 20337070), (2, 10168535), (5, 4067414), (10, 2033707), (13, 1564390), (26, 782195), (65, 312878), (73, 278590), (130, 156439), (146, 139295), (365, 55718), (730, 27859), (949, 21430), (1898, 10715), (2143, 9490), (4286, 4745)]