205654940

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{42667}}^1$

素因数の和:42917

約数の個数: 24

約数和(自身を含む): 433677552

約数和(自身を除く): 228022612

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 42667, 85334, 170668, 213335, 426670, 853340, 10282747, 20565494, 41130988, 51413735, 102827470, 205654940]

約数ペア:

[(1, 205654940), (2, 102827470), (4, 51413735), (5, 41130988), (10, 20565494), (20, 10282747), (241, 853340), (482, 426670), (964, 213335), (1205, 170668), (2410, 85334), (4820, 42667)]