20331448

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2351}}^1$

素因数の和:2427

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 20311112

約数列:

[1, 2, 4, 8, 23, 46, 47, 92, 94, 184, 188, 376, 1081, 2162, 2351, 4324, 4702, 8648, 9404, 18808, 54073, 108146, 110497, 216292, 220994, 432584, 441988, 883976, 2541431, 5082862, 10165724, 20331448]

約数ペア:

[(1, 20331448), (2, 10165724), (4, 5082862), (8, 2541431), (23, 883976), (46, 441988), (47, 432584), (92, 220994), (94, 216292), (184, 110497), (188, 108146), (376, 54073), (1081, 18808), (2162, 9404), (2351, 8648), (4324, 4702)]