20239612840

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1449829}}^1$

素因数の和:1450189

約数の個数: 32

約数和(自身を含む): 45669645000

約数和(自身を除く): 25430032160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 6980, 13960, 1449829, 2899658, 5799316, 7249145, 11598632, 14498290, 28996580, 57993160, 505990321, 1011980642, 2023961284, 2529951605, 4047922568, 5059903210, 10119806420, 20239612840]

約数ペア:

[(1, 20239612840), (2, 10119806420), (4, 5059903210), (5, 4047922568), (8, 2529951605), (10, 2023961284), (20, 1011980642), (40, 505990321), (349, 57993160), (698, 28996580), (1396, 14498290), (1745, 11598632), (2792, 7249145), (3490, 5799316), (6980, 2899658), (13960, 1449829)]