20770770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 53343360

約数和(自身を除く): 32572590

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 139, 170, 255, 278, 293, 417, 510, 586, 695, 834, 879, 1390, 1465, 1758, 2085, 2363, 2930, 4170, 4395, 4726, 4981, 7089, 8790, 9962, 11815, 14178, 14943, 23630, 24905, 29886, 35445, 40727, 49810, 70890, 74715, 81454, 122181, 149430, 203635, 244362, 407270, 610905, 692359, 1221810, 1384718, 2077077, 3461795, 4154154, 6923590, 10385385, 20770770]

約数ペア:

[(1, 20770770), (2, 10385385), (3, 6923590), (5, 4154154), (6, 3461795), (10, 2077077), (15, 1384718), (17, 1221810), (30, 692359), (34, 610905), (51, 407270), (85, 244362), (102, 203635), (139, 149430), (170, 122181), (255, 81454), (278, 74715), (293, 70890), (417, 49810), (510, 40727), (586, 35445), (695, 29886), (834, 24905), (879, 23630), (1390, 14943), (1465, 14178), (1758, 11815), (2085, 9962), (2363, 8790), (2930, 7089), (4170, 4981), (4395, 4726)]