20186575209

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{213391}}^1$

素因数の和:213877

約数の個数: 24

約数和(自身を含む): 30492863232

約数和(自身を除く): 10306288023

約数列:

[1, 3, 9, 23, 69, 207, 457, 1371, 4113, 10511, 31533, 94599, 213391, 640173, 1920519, 4907993, 14723979, 44171937, 97519687, 292559061, 877677183, 2242952801, 6728858403, 20186575209]

約数ペア:

[(1, 20186575209), (3, 6728858403), (9, 2242952801), (23, 877677183), (69, 292559061), (207, 97519687), (457, 44171937), (1371, 14723979), (4113, 4907993), (10511, 1920519), (31533, 640173), (94599, 213391)]