20431398

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1607}}^1$

素因数の和:1788

約数の個数: 32

約数和(自身を含む): 44303616

約数和(自身を除く): 23872218

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 163, 326, 489, 978, 1607, 2119, 3214, 4238, 4821, 6357, 9642, 12714, 20891, 41782, 62673, 125346, 261941, 523882, 785823, 1571646, 3405233, 6810466, 10215699, 20431398]

約数ペア:

[(1, 20431398), (2, 10215699), (3, 6810466), (6, 3405233), (13, 1571646), (26, 785823), (39, 523882), (78, 261941), (163, 125346), (326, 62673), (489, 41782), (978, 20891), (1607, 12714), (2119, 9642), (3214, 6357), (4238, 4821)]