20346424566

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{405679}}^1$

素因数の和:406340

約数の個数: 32

約数和(自身を含む): 43891330560

約数和(自身を除く): 23544905994

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 643, 1286, 1929, 3858, 8359, 16718, 25077, 50154, 405679, 811358, 1217037, 2434074, 5273827, 10547654, 15821481, 31642962, 260851597, 521703194, 782554791, 1565109582, 3391070761, 6782141522, 10173212283, 20346424566]

約数ペア:

[(1, 20346424566), (2, 10173212283), (3, 6782141522), (6, 3391070761), (13, 1565109582), (26, 782554791), (39, 521703194), (78, 260851597), (643, 31642962), (1286, 15821481), (1929, 10547654), (3858, 5273827), (8359, 2434074), (16718, 1217037), (25077, 811358), (50154, 405679)]