20976817

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 23146560

約数和(自身を除く): 2169743

約数列:

[1, 19, 37, 53, 563, 703, 1007, 1961, 10697, 20831, 29839, 37259, 395789, 566941, 1104043, 20976817]

約数ペア:

[(1, 20976817), (19, 1104043), (37, 566941), (53, 395789), (563, 37259), (703, 29839), (1007, 20831), (1961, 10697)]