22121020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 48117888

約数和(自身を除く): 25996868

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 101, 188, 202, 233, 235, 404, 466, 470, 505, 932, 940, 1010, 1165, 2020, 2330, 4660, 4747, 9494, 10951, 18988, 21902, 23533, 23735, 43804, 47066, 47470, 54755, 94132, 94940, 109510, 117665, 219020, 235330, 470660, 1106051, 2212102, 4424204, 5530255, 11060510, 22121020]

約数ペア:

[(1, 22121020), (2, 11060510), (4, 5530255), (5, 4424204), (10, 2212102), (20, 1106051), (47, 470660), (94, 235330), (101, 219020), (188, 117665), (202, 109510), (233, 94940), (235, 94132), (404, 54755), (466, 47470), (470, 47066), (505, 43804), (932, 23735), (940, 23533), (1010, 21902), (1165, 18988), (2020, 10951), (2330, 9494), (4660, 4747)]