20353396

素因数分解:

$2^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1831}}^1$

素因数の和:2239

約数の個数: 24

約数和(自身を含む): 40831616

約数和(自身を除く): 20478220

約数列:

[1, 2, 4, 7, 14, 28, 397, 794, 1588, 1831, 2779, 3662, 5558, 7324, 11116, 12817, 25634, 51268, 726907, 1453814, 2907628, 5088349, 10176698, 20353396]

約数ペア:

[(1, 20353396), (2, 10176698), (4, 5088349), (7, 2907628), (14, 1453814), (28, 726907), (397, 51268), (794, 25634), (1588, 12817), (1831, 11116), (2779, 7324), (3662, 5558)]