204623620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{249541}}^1$

素因数の和:249591

約数の個数: 24

約数和(自身を含む): 440192088

約数和(自身を除く): 235568468

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 249541, 499082, 998164, 1247705, 2495410, 4990820, 10231181, 20462362, 40924724, 51155905, 102311810, 204623620]

約数ペア:

[(1, 204623620), (2, 102311810), (4, 51155905), (5, 40924724), (10, 20462362), (20, 10231181), (41, 4990820), (82, 2495410), (164, 1247705), (205, 998164), (410, 499082), (820, 249541)]