20454330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 53343360

約数和(自身を除く): 32889030

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 179, 195, 293, 358, 390, 537, 586, 879, 895, 1074, 1465, 1758, 1790, 2327, 2685, 2930, 3809, 4395, 4654, 5370, 6981, 7618, 8790, 11427, 11635, 13962, 19045, 22854, 23270, 34905, 38090, 52447, 57135, 69810, 104894, 114270, 157341, 262235, 314682, 524470, 681811, 786705, 1363622, 1573410, 2045433, 3409055, 4090866, 6818110, 10227165, 20454330]

約数ペア:

[(1, 20454330), (2, 10227165), (3, 6818110), (5, 4090866), (6, 3409055), (10, 2045433), (13, 1573410), (15, 1363622), (26, 786705), (30, 681811), (39, 524470), (65, 314682), (78, 262235), (130, 157341), (179, 114270), (195, 104894), (293, 69810), (358, 57135), (390, 52447), (537, 38090), (586, 34905), (879, 23270), (895, 22854), (1074, 19045), (1465, 13962), (1758, 11635), (1790, 11427), (2327, 8790), (2685, 7618), (2930, 6981), (3809, 5370), (4395, 4654)]