20316210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15749}}^1$

素因数の和:15802

約数の個数: 32

約数和(自身を含む): 49896000

約数和(自身を除く): 29579790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15749, 31498, 47247, 78745, 94494, 157490, 236235, 472470, 677207, 1354414, 2031621, 3386035, 4063242, 6772070, 10158105, 20316210]

約数ペア:

[(1, 20316210), (2, 10158105), (3, 6772070), (5, 4063242), (6, 3386035), (10, 2031621), (15, 1354414), (30, 677207), (43, 472470), (86, 236235), (129, 157490), (215, 94494), (258, 78745), (430, 47247), (645, 31498), (1290, 15749)]