20408935943

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1\times {\mathrm{1657}}^1$

素因数の和:2327

約数の個数: 32

約数和(自身を含む): 23550497280

約数和(自身を除く): 3141561337

約数列:

[1, 11, 23, 89, 253, 547, 979, 1657, 2047, 6017, 12581, 18227, 22517, 38111, 48683, 138391, 147473, 419221, 535513, 906379, 1119709, 1622203, 3391879, 9970169, 12316799, 20846717, 37310669, 80667731, 229313887, 887345041, 1855357813, 20408935943]

約数ペア:

[(1, 20408935943), (11, 1855357813), (23, 887345041), (89, 229313887), (253, 80667731), (547, 37310669), (979, 20846717), (1657, 12316799), (2047, 9970169), (6017, 3391879), (12581, 1622203), (18227, 1119709), (22517, 906379), (38111, 535513), (48683, 419221), (138391, 147473)]