20175286840

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{821}}^1\times {\mathrm{1823}}^1$

素因数の和:2992

約数の個数: 64

約数和(自身を含む): 45609557760

約数和(自身を除く): 25434270920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 821, 1348, 1642, 1685, 1823, 2696, 3284, 3370, 3646, 4105, 6568, 6740, 7292, 8210, 9115, 13480, 14584, 16420, 18230, 32840, 36460, 72920, 276677, 553354, 614351, 1106708, 1228702, 1383385, 1496683, 2213416, 2457404, 2766770, 2993366, 3071755, 4914808, 5533540, 5986732, 6143510, 7483415, 11067080, 11973464, 12287020, 14966830, 24574040, 29933660, 59867320, 504382171, 1008764342, 2017528684, 2521910855, 4035057368, 5043821710, 10087643420, 20175286840]

約数ペア:

[(1, 20175286840), (2, 10087643420), (4, 5043821710), (5, 4035057368), (8, 2521910855), (10, 2017528684), (20, 1008764342), (40, 504382171), (337, 59867320), (674, 29933660), (821, 24574040), (1348, 14966830), (1642, 12287020), (1685, 11973464), (1823, 11067080), (2696, 7483415), (3284, 6143510), (3370, 5986732), (3646, 5533540), (4105, 4914808), (6568, 3071755), (6740, 2993366), (7292, 2766770), (8210, 2457404), (9115, 2213416), (13480, 1496683), (14584, 1383385), (16420, 1228702), (18230, 1106708), (32840, 614351), (36460, 553354), (72920, 276677)]