20179968220

素因数分解:

$2^2\times 5^1\times {\mathrm{9151}}^1\times {\mathrm{110261}}^1$

素因数の和:119421

約数の個数: 24

約数和(自身を含む): 42382948608

約数和(自身を除く): 22202980388

約数列:

[1, 2, 4, 5, 10, 20, 9151, 18302, 36604, 45755, 91510, 110261, 183020, 220522, 441044, 551305, 1102610, 2205220, 1008998411, 2017996822, 4035993644, 5044992055, 10089984110, 20179968220]

約数ペア:

[(1, 20179968220), (2, 10089984110), (4, 5044992055), (5, 4035993644), (10, 2017996822), (20, 1008998411), (9151, 2205220), (18302, 1102610), (36604, 551305), (45755, 441044), (91510, 220522), (110261, 183020)]