20238380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 44108064

約数和(自身を除く): 23869684

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 101, 172, 202, 215, 233, 404, 430, 466, 505, 860, 932, 1010, 1165, 2020, 2330, 4343, 4660, 8686, 10019, 17372, 20038, 21715, 23533, 40076, 43430, 47066, 50095, 86860, 94132, 100190, 117665, 200380, 235330, 470660, 1011919, 2023838, 4047676, 5059595, 10119190, 20238380]

約数ペア:

[(1, 20238380), (2, 10119190), (4, 5059595), (5, 4047676), (10, 2023838), (20, 1011919), (43, 470660), (86, 235330), (101, 200380), (172, 117665), (202, 100190), (215, 94132), (233, 86860), (404, 50095), (430, 47066), (466, 43430), (505, 40076), (860, 23533), (932, 21715), (1010, 20038), (1165, 17372), (2020, 10019), (2330, 8686), (4343, 4660)]