20748654110

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1621}}^1\times {\mathrm{9343}}^1$

素因数の和:11108

約数の個数: 32

約数和(自身を含む): 37647424512

約数和(自身を除く): 16898770402

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 1621, 3242, 8105, 9343, 16210, 18686, 46715, 93430, 222077, 444154, 1110385, 1279991, 2220770, 2559982, 6399955, 12799910, 15145003, 30290006, 75725015, 151450030, 2074865411, 4149730822, 10374327055, 20748654110]

約数ペア:

[(1, 20748654110), (2, 10374327055), (5, 4149730822), (10, 2074865411), (137, 151450030), (274, 75725015), (685, 30290006), (1370, 15145003), (1621, 12799910), (3242, 6399955), (8105, 2559982), (9343, 2220770), (16210, 1279991), (18686, 1110385), (46715, 444154), (93430, 222077)]