20210713820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4835099}}^1$

素因数の和:4835138

約数の個数: 48

約数和(自身を含む): 48737808000

約数和(自身を除く): 28527094180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4835099, 9670198, 19340396, 24175495, 48350990, 53186089, 91866881, 96701980, 106372178, 183733762, 212744356, 265930445, 367467524, 459334405, 531860890, 918668810, 1010535691, 1063721780, 1837337620, 2021071382, 4042142764, 5052678455, 10105356910, 20210713820]

約数ペア:

[(1, 20210713820), (2, 10105356910), (4, 5052678455), (5, 4042142764), (10, 2021071382), (11, 1837337620), (19, 1063721780), (20, 1010535691), (22, 918668810), (38, 531860890), (44, 459334405), (55, 367467524), (76, 265930445), (95, 212744356), (110, 183733762), (190, 106372178), (209, 96701980), (220, 91866881), (380, 53186089), (418, 48350990), (836, 24175495), (1045, 19340396), (2090, 9670198), (4180, 4835099)]