20643182

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 36951552

約数和(自身を除く): 16308370

約数列:

[1, 2, 7, 14, 43, 53, 86, 106, 301, 371, 602, 647, 742, 1294, 2279, 4529, 4558, 9058, 15953, 27821, 31906, 34291, 55642, 68582, 194747, 240037, 389494, 480074, 1474513, 2949026, 10321591, 20643182]

約数ペア:

[(1, 20643182), (2, 10321591), (7, 2949026), (14, 1474513), (43, 480074), (53, 389494), (86, 240037), (106, 194747), (301, 68582), (371, 55642), (602, 34291), (647, 31906), (742, 27821), (1294, 15953), (2279, 9058), (4529, 4558)]