20357649

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19333}}^1$

素因数の和:19358

約数の個数: 20

約数和(自身を含む): 32751796

約数和(自身を除く): 12394147

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19333, 57999, 173997, 251329, 521991, 753987, 1565973, 2261961, 6785883, 20357649]

約数ペア:

[(1, 20357649), (3, 6785883), (9, 2261961), (13, 1565973), (27, 753987), (39, 521991), (81, 251329), (117, 173997), (351, 57999), (1053, 19333)]