20857786

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{1327}}^1$

素因数の和:1629

約数の個数: 16

約数和(自身を含む): 32509440

約数和(自身を除く): 11651654

約数列:

[1, 2, 29, 58, 271, 542, 1327, 2654, 7859, 15718, 38483, 76966, 359617, 719234, 10428893, 20857786]

約数ペア:

[(1, 20857786), (2, 10428893), (29, 719234), (58, 359617), (271, 76966), (542, 38483), (1327, 15718), (2654, 7859)]