20238098660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77838841}}^1$

素因数の和:77838863

約数の個数: 24

約数和(自身を含む): 45769239096

約数和(自身を除く): 25531140436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77838841, 155677682, 311355364, 389194205, 778388410, 1011904933, 1556776820, 2023809866, 4047619732, 5059524665, 10119049330, 20238098660]

約数ペア:

[(1, 20238098660), (2, 10119049330), (4, 5059524665), (5, 4047619732), (10, 2023809866), (13, 1556776820), (20, 1011904933), (26, 778388410), (52, 389194205), (65, 311355364), (130, 155677682), (260, 77838841)]