20186942960

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{569609}}^1$

素因数の和:570065

約数の個数: 40

約数和(自身を含む): 47040672240

約数和(自身を除く): 26853729280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 2215, 3544, 4430, 7088, 8860, 17720, 35440, 569609, 1139218, 2278436, 2848045, 4556872, 5696090, 9113744, 11392180, 22784360, 45568720, 252336787, 504673574, 1009347148, 1261683935, 2018694296, 2523367870, 4037388592, 5046735740, 10093471480, 20186942960]

約数ペア:

[(1, 20186942960), (2, 10093471480), (4, 5046735740), (5, 4037388592), (8, 2523367870), (10, 2018694296), (16, 1261683935), (20, 1009347148), (40, 504673574), (80, 252336787), (443, 45568720), (886, 22784360), (1772, 11392180), (2215, 9113744), (3544, 5696090), (4430, 4556872), (7088, 2848045), (8860, 2278436), (17720, 1139218), (35440, 569609)]