20554997

素因数分解:

${\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:316

約数の個数: 16

約数和(自身を含む): 22032000

約数和(自身を除く): 1477003

約数列:

[1, 29, 67, 71, 149, 1943, 2059, 4321, 4757, 9983, 10579, 137953, 289507, 306791, 708793, 20554997]

約数ペア:

[(1, 20554997), (29, 708793), (67, 306791), (71, 289507), (149, 137953), (1943, 10579), (2059, 9983), (4321, 4757)]