20383516

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{601}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 36577520

約数和(自身を除く): 16194004

約数列:

[1, 2, 4, 61, 122, 139, 244, 278, 556, 601, 1202, 2404, 8479, 16958, 33916, 36661, 73322, 83539, 146644, 167078, 334156, 5095879, 10191758, 20383516]

約数ペア:

[(1, 20383516), (2, 10191758), (4, 5095879), (61, 334156), (122, 167078), (139, 146644), (244, 83539), (278, 73322), (556, 36661), (601, 33916), (1202, 16958), (2404, 8479)]