20258636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1789}}^1$

素因数の和:1961

約数の個数: 24

約数和(自身を含む): 37590000

約数和(自身を除く): 17331364

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 596, 1789, 2831, 3578, 5662, 7156, 11324, 33991, 67982, 135964, 266561, 533122, 1066244, 5064659, 10129318, 20258636]

約数ペア:

[(1, 20258636), (2, 10129318), (4, 5064659), (19, 1066244), (38, 533122), (76, 266561), (149, 135964), (298, 67982), (596, 33991), (1789, 11324), (2831, 7156), (3578, 5662)]