20269590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 53498880

約数和(自身を除く): 33229290

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 239, 257, 330, 478, 514, 717, 771, 1195, 1285, 1434, 1542, 2390, 2570, 2629, 2827, 3585, 3855, 5258, 5654, 7170, 7710, 7887, 8481, 13145, 14135, 15774, 16962, 26290, 28270, 39435, 42405, 61423, 78870, 84810, 122846, 184269, 307115, 368538, 614230, 675653, 921345, 1351306, 1842690, 2026959, 3378265, 4053918, 6756530, 10134795, 20269590]

約数ペア:

[(1, 20269590), (2, 10134795), (3, 6756530), (5, 4053918), (6, 3378265), (10, 2026959), (11, 1842690), (15, 1351306), (22, 921345), (30, 675653), (33, 614230), (55, 368538), (66, 307115), (110, 184269), (165, 122846), (239, 84810), (257, 78870), (330, 61423), (478, 42405), (514, 39435), (717, 28270), (771, 26290), (1195, 16962), (1285, 15774), (1434, 14135), (1542, 13145), (2390, 8481), (2570, 7887), (2629, 7710), (2827, 7170), (3585, 5654), (3855, 5258)]