20188776220

素因数分解:

$2^2\times 5^1\times {\mathrm{1009438811}}^1$

素因数の和:1009438820

約数の個数: 12

約数和(自身を含む): 42396430104

約数和(自身を除く): 22207653884

約数列:

[1, 2, 4, 5, 10, 20, 1009438811, 2018877622, 4037755244, 5047194055, 10094388110, 20188776220]

約数ペア:

[(1, 20188776220), (2, 10094388110), (4, 5047194055), (5, 4037755244), (10, 2018877622), (20, 1009438811)]