20041970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6703}}^1$

素因数の和:6746

約数の個数: 32

約数和(自身を含む): 40545792

約数和(自身を除く): 20503822

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6703, 13406, 33515, 67030, 87139, 154169, 174278, 308338, 435695, 770845, 871390, 1541690, 2004197, 4008394, 10020985, 20041970]

約数ペア:

[(1, 20041970), (2, 10020985), (5, 4008394), (10, 2004197), (13, 1541690), (23, 871390), (26, 770845), (46, 435695), (65, 308338), (115, 174278), (130, 154169), (230, 87139), (299, 67030), (598, 33515), (1495, 13406), (2990, 6703)]