20739726

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{18289}}^1$

素因数の和:18310

約数の個数: 40

約数和(自身を含む): 53114160

約数和(自身を除く): 32374434

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 18289, 36578, 54867, 109734, 128023, 164601, 256046, 329202, 384069, 493803, 768138, 987606, 1152207, 1481409, 2304414, 2962818, 3456621, 6913242, 10369863, 20739726]

約数ペア:

[(1, 20739726), (2, 10369863), (3, 6913242), (6, 3456621), (7, 2962818), (9, 2304414), (14, 1481409), (18, 1152207), (21, 987606), (27, 768138), (42, 493803), (54, 384069), (63, 329202), (81, 256046), (126, 164601), (162, 128023), (189, 109734), (378, 54867), (567, 36578), (1134, 18289)]