20373370

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 17884550

約数列:

[1, 2, 5, 10, 29, 58, 145, 163, 290, 326, 431, 815, 862, 1630, 2155, 4310, 4727, 9454, 12499, 23635, 24998, 47270, 62495, 70253, 124990, 140506, 351265, 702530, 2037337, 4074674, 10186685, 20373370]

約数ペア:

[(1, 20373370), (2, 10186685), (5, 4074674), (10, 2037337), (29, 702530), (58, 351265), (145, 140506), (163, 124990), (290, 70253), (326, 62495), (431, 47270), (815, 24998), (862, 23635), (1630, 12499), (2155, 9454), (4310, 4727)]