20930553

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19543}}^1$

素因数の和:19573

約数の個数: 24

約数和(自身を含む): 36586368

約数和(自身を除く): 15655815

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 19543, 58629, 136801, 175887, 332231, 410403, 996693, 1231209, 2325617, 2990079, 6976851, 20930553]

約数ペア:

[(1, 20930553), (3, 6976851), (7, 2990079), (9, 2325617), (17, 1231209), (21, 996693), (51, 410403), (63, 332231), (119, 175887), (153, 136801), (357, 58629), (1071, 19543)]