20051227

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 3449573

約数列:

[1, 7, 79, 101, 359, 553, 707, 2513, 7979, 28361, 36259, 55853, 198527, 253813, 2864461, 20051227]

約数ペア:

[(1, 20051227), (7, 2864461), (79, 253813), (101, 198527), (359, 55853), (553, 36259), (707, 28361), (2513, 7979)]