20998338

素因数分解:

$2^1\times 3^1\times {\mathrm{113}}^1\times {\mathrm{30971}}^1$

素因数の和:31089

約数の個数: 16

約数和(自身を含む): 42369696

約数和(自身を除く): 21371358

約数列:

[1, 2, 3, 6, 113, 226, 339, 678, 30971, 61942, 92913, 185826, 3499723, 6999446, 10499169, 20998338]

約数ペア:

[(1, 20998338), (2, 10499169), (3, 6999446), (6, 3499723), (113, 185826), (226, 92913), (339, 61942), (678, 30971)]