20705496

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3331}}^1$

素因数の和:3384

約数の個数: 64

約数和(自身を含む): 60775680

約数和(自身を除く): 40070184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 888, 1036, 1554, 2072, 3108, 3331, 6216, 6662, 9993, 13324, 19986, 23317, 26648, 39972, 46634, 69951, 79944, 93268, 123247, 139902, 186536, 246494, 279804, 369741, 492988, 559608, 739482, 862729, 985976, 1478964, 1725458, 2588187, 2957928, 3450916, 5176374, 6901832, 10352748, 20705496]

約数ペア:

[(1, 20705496), (2, 10352748), (3, 6901832), (4, 5176374), (6, 3450916), (7, 2957928), (8, 2588187), (12, 1725458), (14, 1478964), (21, 985976), (24, 862729), (28, 739482), (37, 559608), (42, 492988), (56, 369741), (74, 279804), (84, 246494), (111, 186536), (148, 139902), (168, 123247), (222, 93268), (259, 79944), (296, 69951), (444, 46634), (518, 39972), (777, 26648), (888, 23317), (1036, 19986), (1554, 13324), (2072, 9993), (3108, 6662), (3331, 6216)]