20215924

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15647}}^1$

素因数の和:15687

約数の個数: 24

約数和(自身を含む): 39432960

約数和(自身を除く): 19217036

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 15647, 31294, 62588, 265999, 297293, 531998, 594586, 1063996, 1189172, 5053981, 10107962, 20215924]

約数ペア:

[(1, 20215924), (2, 10107962), (4, 5053981), (17, 1189172), (19, 1063996), (34, 594586), (38, 531998), (68, 297293), (76, 265999), (323, 62588), (646, 31294), (1292, 15647)]