20584772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{787}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 38920896

約数和(自身を除く): 18336124

約数列:

[1, 2, 4, 13, 26, 52, 503, 787, 1006, 1574, 2012, 3148, 6539, 10231, 13078, 20462, 26156, 40924, 395861, 791722, 1583444, 5146193, 10292386, 20584772]

約数ペア:

[(1, 20584772), (2, 10292386), (4, 5146193), (13, 1583444), (26, 791722), (52, 395861), (503, 40924), (787, 26156), (1006, 20462), (1574, 13078), (2012, 10231), (3148, 6539)]