20859202

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2339}}^1$

素因数の和:2375

約数の個数: 32

約数和(自身を含む): 39312000

約数和(自身を除く): 18452798

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 2339, 4459, 4678, 8918, 16373, 30407, 32746, 60814, 114611, 212849, 229222, 425698, 802277, 1489943, 1604554, 2979886, 10429601, 20859202]

約数ペア:

[(1, 20859202), (2, 10429601), (7, 2979886), (13, 1604554), (14, 1489943), (26, 802277), (49, 425698), (91, 229222), (98, 212849), (182, 114611), (343, 60814), (637, 32746), (686, 30407), (1274, 16373), (2339, 8918), (4459, 4678)]