20188045775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{4463}}^1$

素因数の和:4688

約数の個数: 48

約数和(自身を含む): 26901849600

約数和(自身を除く): 6713803825

約数列:

[1, 5, 19, 25, 89, 95, 107, 445, 475, 535, 1691, 2033, 2225, 2675, 4463, 8455, 9523, 10165, 22315, 42275, 47615, 50825, 84797, 111575, 180937, 238075, 397207, 423985, 477541, 904685, 1986035, 2119925, 2387705, 4523425, 7546933, 9073279, 9930175, 11938525, 37734665, 42501149, 45366395, 188673325, 212505745, 226831975, 807521831, 1062528725, 4037609155, 20188045775]

約数ペア:

[(1, 20188045775), (5, 4037609155), (19, 1062528725), (25, 807521831), (89, 226831975), (95, 212505745), (107, 188673325), (445, 45366395), (475, 42501149), (535, 37734665), (1691, 11938525), (2033, 9930175), (2225, 9073279), (2675, 7546933), (4463, 4523425), (8455, 2387705), (9523, 2119925), (10165, 1986035), (22315, 904685), (42275, 477541), (47615, 423985), (50825, 397207), (84797, 238075), (111575, 180937)]