20224240

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2503}}^1$

素因数の和:2617

約数の個数: 40

約数和(自身を含む): 47505888

約数和(自身を除く): 27281648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 2503, 4040, 5006, 8080, 10012, 12515, 20024, 25030, 40048, 50060, 100120, 200240, 252803, 505606, 1011212, 1264015, 2022424, 2528030, 4044848, 5056060, 10112120, 20224240]

約数ペア:

[(1, 20224240), (2, 10112120), (4, 5056060), (5, 4044848), (8, 2528030), (10, 2022424), (16, 1264015), (20, 1011212), (40, 505606), (80, 252803), (101, 200240), (202, 100120), (404, 50060), (505, 40048), (808, 25030), (1010, 20024), (1616, 12515), (2020, 10012), (2503, 8080), (4040, 5006)]