20123657847

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{8979767}}^1$

素因数の和:8979859

約数の個数: 16

約数和(自身を含む): 30172020480

約数和(自身を除く): 10048362633

約数列:

[1, 3, 9, 27, 83, 249, 747, 2241, 8979767, 26939301, 80817903, 242453709, 745320661, 2235961983, 6707885949, 20123657847]

約数ペア:

[(1, 20123657847), (3, 6707885949), (9, 2235961983), (27, 745320661), (83, 242453709), (249, 80817903), (747, 26939301), (2241, 8979767)]