20973985705

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{308827}}^1$

素因数の和:308913

約数の個数: 24

約数和(自身を含む): 27305336448

約数和(自身を除く): 6331350743

約数列:

[1, 5, 17, 47, 85, 235, 289, 799, 1445, 3995, 13583, 67915, 308827, 1544135, 5250059, 14514869, 26250295, 72574345, 89251003, 246752773, 446255015, 1233763865, 4194797141, 20973985705]

約数ペア:

[(1, 20973985705), (5, 4194797141), (17, 1233763865), (47, 446255015), (85, 246752773), (235, 89251003), (289, 72574345), (799, 26250295), (1445, 14514869), (3995, 5250059), (13583, 1544135), (67915, 308827)]