20007494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 34443360

約数和(自身を除く): 14435866

約数列:

[1, 2, 13, 19, 26, 38, 101, 202, 247, 401, 494, 802, 1313, 1919, 2626, 3838, 5213, 7619, 10426, 15238, 24947, 40501, 49894, 81002, 99047, 198094, 526513, 769519, 1053026, 1539038, 10003747, 20007494]

約数ペア:

[(1, 20007494), (2, 10003747), (13, 1539038), (19, 1053026), (26, 769519), (38, 526513), (101, 198094), (202, 99047), (247, 81002), (401, 49894), (494, 40501), (802, 24947), (1313, 15238), (1919, 10426), (2626, 7619), (3838, 5213)]