20181074

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 33872256

約数和(自身を除く): 13691182

約数列:

[1, 2, 17, 23, 34, 46, 131, 197, 262, 391, 394, 782, 2227, 3013, 3349, 4454, 4531, 6026, 6698, 9062, 25807, 51221, 51614, 77027, 102442, 154054, 438719, 593561, 877438, 1187122, 10090537, 20181074]

約数ペア:

[(1, 20181074), (2, 10090537), (17, 1187122), (23, 877438), (34, 593561), (46, 438719), (131, 154054), (197, 102442), (262, 77027), (391, 51614), (394, 51221), (782, 25807), (2227, 9062), (3013, 6698), (3349, 6026), (4454, 4531)]