20727130

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{11981}}^1$

素因数の和:12161

約数の個数: 16

約数和(自身を含む): 37527624

約数和(自身を除く): 16800494

約数列:

[1, 2, 5, 10, 173, 346, 865, 1730, 11981, 23962, 59905, 119810, 2072713, 4145426, 10363565, 20727130]

約数ペア:

[(1, 20727130), (2, 10363565), (5, 4145426), (10, 2072713), (173, 119810), (346, 59905), (865, 23962), (1730, 11981)]