20495585

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1783}}^1$

素因数の和:1829

約数の個数: 24

約数和(自身を含む): 28472640

約数和(自身を除く): 7977055

約数列:

[1, 5, 11, 19, 55, 95, 121, 209, 605, 1045, 1783, 2299, 8915, 11495, 19613, 33877, 98065, 169385, 215743, 372647, 1078715, 1863235, 4099117, 20495585]

約数ペア:

[(1, 20495585), (5, 4099117), (11, 1863235), (19, 1078715), (55, 372647), (95, 215743), (121, 169385), (209, 98065), (605, 33877), (1045, 19613), (1783, 11495), (2299, 8915)]