20178812065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10321643}}^1$

素因数の和:10321688

約数の個数: 16

約数和(自身を含む): 26753701248

約数和(自身を除く): 6574889183

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 10321643, 51608215, 175467931, 237397789, 877339655, 1186988945, 4035762413, 20178812065]

約数ペア:

[(1, 20178812065), (5, 4035762413), (17, 1186988945), (23, 877339655), (85, 237397789), (115, 175467931), (391, 51608215), (1955, 10321643)]