20065072

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 40466160

約数和(自身を除く): 20401088

約数列:

[1, 2, 4, 8, 16, 41, 73, 82, 146, 164, 292, 328, 419, 584, 656, 838, 1168, 1676, 2993, 3352, 5986, 6704, 11972, 17179, 23944, 30587, 34358, 47888, 61174, 68716, 122348, 137432, 244696, 274864, 489392, 1254067, 2508134, 5016268, 10032536, 20065072]

約数ペア:

[(1, 20065072), (2, 10032536), (4, 5016268), (8, 2508134), (16, 1254067), (41, 489392), (73, 274864), (82, 244696), (146, 137432), (164, 122348), (292, 68716), (328, 61174), (419, 47888), (584, 34358), (656, 30587), (838, 23944), (1168, 17179), (1676, 11972), (2993, 6704), (3352, 5986)]