20163039

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 30260160

約数和(自身を除く): 10097121

約数列:

[1, 3, 13, 37, 39, 89, 111, 157, 267, 471, 481, 1157, 1443, 2041, 3293, 3471, 5809, 6123, 9879, 13973, 17427, 41919, 42809, 75517, 128427, 181649, 226551, 517001, 544947, 1551003, 6721013, 20163039]

約数ペア:

[(1, 20163039), (3, 6721013), (13, 1551003), (37, 544947), (39, 517001), (89, 226551), (111, 181649), (157, 128427), (267, 75517), (471, 42809), (481, 41919), (1157, 17427), (1443, 13973), (2041, 9879), (3293, 6123), (3471, 5809)]