20478618

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59879}}^1$

素因数の和:59906

約数の個数: 24

約数和(自身を含む): 46706400

約数和(自身を除く): 26227782

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 59879, 119758, 179637, 359274, 538911, 1077822, 1137701, 2275402, 3413103, 6826206, 10239309, 20478618]

約数ペア:

[(1, 20478618), (2, 10239309), (3, 6826206), (6, 3413103), (9, 2275402), (18, 1137701), (19, 1077822), (38, 538911), (57, 359274), (114, 179637), (171, 119758), (342, 59879)]