20586650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:599

約数の個数: 48

約数和(自身を含む): 44193600

約数和(自身を除く): 23606950

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 131, 175, 262, 350, 449, 655, 898, 917, 1310, 1834, 2245, 3143, 3275, 4490, 4585, 6286, 6550, 9170, 11225, 15715, 22450, 22925, 31430, 45850, 58819, 78575, 117638, 157150, 294095, 411733, 588190, 823466, 1470475, 2058665, 2940950, 4117330, 10293325, 20586650]

約数ペア:

[(1, 20586650), (2, 10293325), (5, 4117330), (7, 2940950), (10, 2058665), (14, 1470475), (25, 823466), (35, 588190), (50, 411733), (70, 294095), (131, 157150), (175, 117638), (262, 78575), (350, 58819), (449, 45850), (655, 31430), (898, 22925), (917, 22450), (1310, 15715), (1834, 11225), (2245, 9170), (3143, 6550), (3275, 6286), (4490, 4585)]