20406977162

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{110969}}^1$

素因数の和:111638

約数の個数: 32

約数和(自身を含む): 36018198720

約数和(自身を除く): 15611221558

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 643, 1286, 7073, 8359, 14146, 16718, 91949, 110969, 183898, 221938, 1220659, 1442597, 2441318, 2885194, 15868567, 31737134, 71353067, 142706134, 784883737, 927589871, 1569767474, 1855179742, 10203488581, 20406977162]

約数ペア:

[(1, 20406977162), (2, 10203488581), (11, 1855179742), (13, 1569767474), (22, 927589871), (26, 784883737), (143, 142706134), (286, 71353067), (643, 31737134), (1286, 15868567), (7073, 2885194), (8359, 2441318), (14146, 1442597), (16718, 1220659), (91949, 221938), (110969, 183898)]