20676095860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{21098057}}^1$

素因数の和:21098080

約数の個数: 36

約数和(自身を含む): 50508750852

約数和(自身を除く): 29832654992

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 21098057, 42196114, 84392228, 105490285, 147686399, 210980570, 295372798, 421961140, 590745596, 738431995, 1033804793, 1476863990, 2067609586, 2953727980, 4135219172, 5169023965, 10338047930, 20676095860]

約数ペア:

[(1, 20676095860), (2, 10338047930), (4, 5169023965), (5, 4135219172), (7, 2953727980), (10, 2067609586), (14, 1476863990), (20, 1033804793), (28, 738431995), (35, 590745596), (49, 421961140), (70, 295372798), (98, 210980570), (140, 147686399), (196, 105490285), (245, 84392228), (490, 42196114), (980, 21098057)]