20425587

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3253}}^1$

素因数の和:3299

約数の個数: 32

約数和(自身を含む): 34987008

約数和(自身を除く): 14561421

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 3253, 6279, 9759, 22771, 42289, 68313, 74819, 126867, 224457, 296023, 523733, 888069, 972647, 1571199, 2917941, 6808529, 20425587]

約数ペア:

[(1, 20425587), (3, 6808529), (7, 2917941), (13, 1571199), (21, 972647), (23, 888069), (39, 523733), (69, 296023), (91, 224457), (161, 126867), (273, 74819), (299, 68313), (483, 42289), (897, 22771), (2093, 9759), (3253, 6279)]