20888928050

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{42281}}^1$

素因数の和:42575

約数の個数: 48

約数和(自身を含む): 39967145064

約数和(自身を除く): 19078217014

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 241, 410, 482, 1025, 1205, 2050, 2410, 6025, 9881, 12050, 19762, 42281, 49405, 84562, 98810, 211405, 247025, 422810, 494050, 1057025, 1733521, 2114050, 3467042, 8667605, 10189721, 17335210, 20379442, 43338025, 50948605, 86676050, 101897210, 254743025, 417778561, 509486050, 835557122, 2088892805, 4177785610, 10444464025, 20888928050]

約数ペア:

[(1, 20888928050), (2, 10444464025), (5, 4177785610), (10, 2088892805), (25, 835557122), (41, 509486050), (50, 417778561), (82, 254743025), (205, 101897210), (241, 86676050), (410, 50948605), (482, 43338025), (1025, 20379442), (1205, 17335210), (2050, 10189721), (2410, 8667605), (6025, 3467042), (9881, 2114050), (12050, 1733521), (19762, 1057025), (42281, 494050), (49405, 422810), (84562, 247025), (98810, 211405)]