20460265

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 30046464

約数和(自身を除く): 9586199

約数列:

[1, 5, 7, 17, 35, 85, 119, 137, 251, 595, 685, 959, 1255, 1757, 2329, 4267, 4795, 8785, 11645, 16303, 21335, 29869, 34387, 81515, 149345, 171935, 240709, 584579, 1203545, 2922895, 4092053, 20460265]

約数ペア:

[(1, 20460265), (5, 4092053), (7, 2922895), (17, 1203545), (35, 584579), (85, 240709), (119, 171935), (137, 149345), (251, 81515), (595, 34387), (685, 29869), (959, 21335), (1255, 16303), (1757, 11645), (2329, 8785), (4267, 4795)]