20173375216

素因数分解:

$2^4\times {\mathrm{347}}^1\times {\mathrm{1223}}^1\times {\mathrm{2971}}^1$

素因数の和:4549

約数の個数: 40

約数和(自身を含む): 39243809664

約数和(自身を除く): 19070434448

約数列:

[1, 2, 4, 8, 16, 347, 694, 1223, 1388, 2446, 2776, 2971, 4892, 5552, 5942, 9784, 11884, 19568, 23768, 47536, 424381, 848762, 1030937, 1697524, 2061874, 3395048, 3633533, 4123748, 6790096, 7267066, 8247496, 14534132, 16494992, 29068264, 58136528, 1260835951, 2521671902, 5043343804, 10086687608, 20173375216]

約数ペア:

[(1, 20173375216), (2, 10086687608), (4, 5043343804), (8, 2521671902), (16, 1260835951), (347, 58136528), (694, 29068264), (1223, 16494992), (1388, 14534132), (2446, 8247496), (2776, 7267066), (2971, 6790096), (4892, 4123748), (5552, 3633533), (5942, 3395048), (9784, 2061874), (11884, 1697524), (19568, 1030937), (23768, 848762), (47536, 424381)]