20170969744

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74157977}}^1$

素因数の和:74158002

約数の個数: 20

約数和(自身を含む): 41380151724

約数和(自身を除く): 21209181980

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74157977, 148315954, 296631908, 593263816, 1186527632, 1260685609, 2521371218, 5042742436, 10085484872, 20170969744]

約数ペア:

[(1, 20170969744), (2, 10085484872), (4, 5042742436), (8, 2521371218), (16, 1260685609), (17, 1186527632), (34, 593263816), (68, 296631908), (136, 148315954), (272, 74157977)]