20715102

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{1801}}^1$

素因数の和:1886

約数の個数: 40

約数和(自身を含む): 47097072

約数和(自身を除く): 26381970

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1801, 1917, 3602, 3834, 5403, 5751, 10806, 11502, 16209, 32418, 48627, 97254, 127871, 145881, 255742, 291762, 383613, 767226, 1150839, 2301678, 3452517, 6905034, 10357551, 20715102]

約数ペア:

[(1, 20715102), (2, 10357551), (3, 6905034), (6, 3452517), (9, 2301678), (18, 1150839), (27, 767226), (54, 383613), (71, 291762), (81, 255742), (142, 145881), (162, 127871), (213, 97254), (426, 48627), (639, 32418), (1278, 16209), (1801, 11502), (1917, 10806), (3602, 5751), (3834, 5403)]