20181295

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{1019}}^1$

素因数の和:1274

約数の個数: 16

約数和(自身を含む): 25777440

約数和(自身を除く): 5596145

約数列:

[1, 5, 17, 85, 233, 1019, 1165, 3961, 5095, 17323, 19805, 86615, 237427, 1187135, 4036259, 20181295]

約数ペア:

[(1, 20181295), (5, 4036259), (17, 1187135), (85, 237427), (233, 86615), (1019, 19805), (1165, 17323), (3961, 5095)]