20157003909

素因数分解:

$3^2\times 7^1\times {\mathrm{7621}}^1\times {\mathrm{41983}}^1$

素因数の和:49617

約数の個数: 24

約数和(自身を含む): 33280212992

約数和(自身を除く): 13123209083

約数列:

[1, 3, 7, 9, 21, 63, 7621, 22863, 41983, 53347, 68589, 125949, 160041, 293881, 377847, 480123, 881643, 2644929, 319952443, 959857329, 2239667101, 2879571987, 6719001303, 20157003909]

約数ペア:

[(1, 20157003909), (3, 6719001303), (7, 2879571987), (9, 2239667101), (21, 959857329), (63, 319952443), (7621, 2644929), (22863, 881643), (41983, 480123), (53347, 377847), (68589, 293881), (125949, 160041)]