20637966

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{6977}}^1$

素因数の和:7028

約数の個数: 32

約数和(自身を含む): 45217440

約数和(自身を除く): 24579474

約数列:

[1, 2, 3, 6, 17, 29, 34, 51, 58, 87, 102, 174, 493, 986, 1479, 2958, 6977, 13954, 20931, 41862, 118609, 202333, 237218, 355827, 404666, 606999, 711654, 1213998, 3439661, 6879322, 10318983, 20637966]

約数ペア:

[(1, 20637966), (2, 10318983), (3, 6879322), (6, 3439661), (17, 1213998), (29, 711654), (34, 606999), (51, 404666), (58, 355827), (87, 237218), (102, 202333), (174, 118609), (493, 41862), (986, 20931), (1479, 13954), (2958, 6977)]