20034925

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:150

約数の個数: 36

約数和(自身を含む): 27408960

約数和(自身を除く): 7374035

約数列:

[1, 5, 17, 25, 47, 59, 85, 235, 289, 295, 425, 799, 1003, 1175, 1445, 1475, 2773, 3995, 5015, 7225, 13583, 13865, 17051, 19975, 25075, 47141, 67915, 69325, 85255, 235705, 339575, 426275, 801397, 1178525, 4006985, 20034925]

約数ペア:

[(1, 20034925), (5, 4006985), (17, 1178525), (25, 801397), (47, 426275), (59, 339575), (85, 235705), (235, 85255), (289, 69325), (295, 67915), (425, 47141), (799, 25075), (1003, 19975), (1175, 17051), (1445, 13865), (1475, 13583), (2773, 7225), (3995, 5015)]