20363240

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{941}}^1$

素因数の和:1493

約数の個数: 32

約数和(自身を含む): 45950760

約数和(自身を除く): 25587520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 941, 1082, 1882, 2164, 2705, 3764, 4328, 4705, 5410, 7528, 9410, 10820, 18820, 21640, 37640, 509081, 1018162, 2036324, 2545405, 4072648, 5090810, 10181620, 20363240]

約数ペア:

[(1, 20363240), (2, 10181620), (4, 5090810), (5, 4072648), (8, 2545405), (10, 2036324), (20, 1018162), (40, 509081), (541, 37640), (941, 21640), (1082, 18820), (1882, 10820), (2164, 9410), (2705, 7528), (3764, 5410), (4328, 4705)]