20211005648

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{769}}^1\times {\mathrm{71419}}^1$

素因数の和:72219

約数の個数: 40

約数和(自身を含む): 40915089600

約数和(自身を除く): 20704083952

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 769, 1538, 3076, 6152, 12304, 17687, 35374, 70748, 71419, 141496, 142838, 282992, 285676, 571352, 1142704, 1642637, 3285274, 6570548, 13141096, 26282192, 54921211, 109842422, 219684844, 439369688, 878739376, 1263187853, 2526375706, 5052751412, 10105502824, 20211005648]

約数ペア:

[(1, 20211005648), (2, 10105502824), (4, 5052751412), (8, 2526375706), (16, 1263187853), (23, 878739376), (46, 439369688), (92, 219684844), (184, 109842422), (368, 54921211), (769, 26282192), (1538, 13141096), (3076, 6570548), (6152, 3285274), (12304, 1642637), (17687, 1142704), (35374, 571352), (70748, 285676), (71419, 282992), (141496, 142838)]