20005376

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{953}}^1$

素因数の和:1012

約数の個数: 40

約数和(自身を含む): 40989564

約数和(自身を除く): 20984188

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 512, 656, 953, 1312, 1906, 2624, 3812, 5248, 7624, 10496, 15248, 20992, 30496, 39073, 60992, 78146, 121984, 156292, 243968, 312584, 487936, 625168, 1250336, 2500672, 5001344, 10002688, 20005376]

約数ペア:

[(1, 20005376), (2, 10002688), (4, 5001344), (8, 2500672), (16, 1250336), (32, 625168), (41, 487936), (64, 312584), (82, 243968), (128, 156292), (164, 121984), (256, 78146), (328, 60992), (512, 39073), (656, 30496), (953, 20992), (1312, 15248), (1906, 10496), (2624, 7624), (3812, 5248)]