20087406

素因数分解:

$2^1\times 3^3\times {\mathrm{397}}^1\times {\mathrm{937}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 44798880

約数和(自身を除く): 24711474

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 397, 794, 937, 1191, 1874, 2382, 2811, 3573, 5622, 7146, 8433, 10719, 16866, 21438, 25299, 50598, 371989, 743978, 1115967, 2231934, 3347901, 6695802, 10043703, 20087406]

約数ペア:

[(1, 20087406), (2, 10043703), (3, 6695802), (6, 3347901), (9, 2231934), (18, 1115967), (27, 743978), (54, 371989), (397, 50598), (794, 25299), (937, 21438), (1191, 16866), (1874, 10719), (2382, 8433), (2811, 7146), (3573, 5622)]