20587368

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{19949}}^1$

素因数の和:20001

約数の個数: 32

約数和(自身を含む): 52668000

約数和(自身を除く): 32080632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 19949, 39898, 59847, 79796, 119694, 159592, 239388, 478776, 857807, 1715614, 2573421, 3431228, 5146842, 6862456, 10293684, 20587368]

約数ペア:

[(1, 20587368), (2, 10293684), (3, 6862456), (4, 5146842), (6, 3431228), (8, 2573421), (12, 1715614), (24, 857807), (43, 478776), (86, 239388), (129, 159592), (172, 119694), (258, 79796), (344, 59847), (516, 39898), (1032, 19949)]