20590520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22381}}^1$

素因数の和:22415

約数の個数: 32

約数和(自身を含む): 48345120

約数和(自身を除く): 27754600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22381, 44762, 89524, 111905, 179048, 223810, 447620, 514763, 895240, 1029526, 2059052, 2573815, 4118104, 5147630, 10295260, 20590520]

約数ペア:

[(1, 20590520), (2, 10295260), (4, 5147630), (5, 4118104), (8, 2573815), (10, 2059052), (20, 1029526), (23, 895240), (40, 514763), (46, 447620), (92, 223810), (115, 179048), (184, 111905), (230, 89524), (460, 44762), (920, 22381)]