20636589

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 30945024

約数和(自身を除く): 10308435

約数列:

[1, 3, 17, 23, 51, 69, 73, 219, 241, 391, 723, 1173, 1241, 1679, 3723, 4097, 5037, 5543, 12291, 16629, 17593, 28543, 52779, 85629, 94231, 282693, 299081, 404639, 897243, 1213917, 6878863, 20636589]

約数ペア:

[(1, 20636589), (3, 6878863), (17, 1213917), (23, 897243), (51, 404639), (69, 299081), (73, 282693), (219, 94231), (241, 85629), (391, 52779), (723, 28543), (1173, 17593), (1241, 16629), (1679, 12291), (3723, 5543), (4097, 5037)]