203412920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{221101}}^1$

素因数の和:221135

約数の個数: 32

約数和(自身を含む): 477580320

約数和(自身を除く): 274167400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 221101, 442202, 884404, 1105505, 1768808, 2211010, 4422020, 5085323, 8844040, 10170646, 20341292, 25426615, 40682584, 50853230, 101706460, 203412920]

約数ペア:

[(1, 203412920), (2, 101706460), (4, 50853230), (5, 40682584), (8, 25426615), (10, 20341292), (20, 10170646), (23, 8844040), (40, 5085323), (46, 4422020), (92, 2211010), (115, 1768808), (184, 1105505), (230, 884404), (460, 442202), (920, 221101)]