20652216

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1789}}^1$

素因数の和:1848

約数の個数: 64

約数和(自身を含む): 57136800

約数和(自身を除く): 36484584

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 222, 296, 312, 444, 481, 888, 962, 1443, 1789, 1924, 2886, 3578, 3848, 5367, 5772, 7156, 10734, 11544, 14312, 21468, 23257, 42936, 46514, 66193, 69771, 93028, 132386, 139542, 186056, 198579, 264772, 279084, 397158, 529544, 558168, 794316, 860509, 1588632, 1721018, 2581527, 3442036, 5163054, 6884072, 10326108, 20652216]

約数ペア:

[(1, 20652216), (2, 10326108), (3, 6884072), (4, 5163054), (6, 3442036), (8, 2581527), (12, 1721018), (13, 1588632), (24, 860509), (26, 794316), (37, 558168), (39, 529544), (52, 397158), (74, 279084), (78, 264772), (104, 198579), (111, 186056), (148, 139542), (156, 132386), (222, 93028), (296, 69771), (312, 66193), (444, 46514), (481, 42936), (888, 23257), (962, 21468), (1443, 14312), (1789, 11544), (1924, 10734), (2886, 7156), (3578, 5772), (3848, 5367)]