20163219976

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{890287}}^1$

素因数の和:890461

約数の個数: 32

約数和(自身を含む): 40062960000

約数和(自身を除く): 19899740024

約数列:

[1, 2, 4, 8, 19, 38, 76, 149, 152, 298, 596, 1192, 2831, 5662, 11324, 22648, 890287, 1780574, 3561148, 7122296, 16915453, 33830906, 67661812, 132652763, 135323624, 265305526, 530611052, 1061222104, 2520402497, 5040804994, 10081609988, 20163219976]

約数ペア:

[(1, 20163219976), (2, 10081609988), (4, 5040804994), (8, 2520402497), (19, 1061222104), (38, 530611052), (76, 265305526), (149, 135323624), (152, 132652763), (298, 67661812), (596, 33830906), (1192, 16915453), (2831, 7122296), (5662, 3561148), (11324, 1780574), (22648, 890287)]