20291830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12007}}^1$

素因数の和:12040

約数の個数: 24

約数和(自身を含む): 39554352

約数和(自身を除く): 19262522

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 12007, 24014, 60035, 120070, 156091, 312182, 780455, 1560910, 2029183, 4058366, 10145915, 20291830]

約数ペア:

[(1, 20291830), (2, 10145915), (5, 4058366), (10, 2029183), (13, 1560910), (26, 780455), (65, 312182), (130, 156091), (169, 120070), (338, 60035), (845, 24014), (1690, 12007)]