20743376

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:459

約数の個数: 40

約数和(自身を含む): 41705664

約数和(自身を除く): 20962288

約数列:

[1, 2, 4, 8, 16, 41, 82, 103, 164, 206, 307, 328, 412, 614, 656, 824, 1228, 1648, 2456, 4223, 4912, 8446, 12587, 16892, 25174, 31621, 33784, 50348, 63242, 67568, 100696, 126484, 201392, 252968, 505936, 1296461, 2592922, 5185844, 10371688, 20743376]

約数ペア:

[(1, 20743376), (2, 10371688), (4, 5185844), (8, 2592922), (16, 1296461), (41, 505936), (82, 252968), (103, 201392), (164, 126484), (206, 100696), (307, 67568), (328, 63242), (412, 50348), (614, 33784), (656, 31621), (824, 25174), (1228, 16892), (1648, 12587), (2456, 8446), (4223, 4912)]