20626476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6959}}^1$

素因数の和:6998

約数の個数: 48

約数和(自身を含む): 54566400

約数和(自身を除く): 33939924

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 6959, 13918, 20877, 27836, 41754, 83508, 90467, 132221, 180934, 264442, 271401, 361868, 396663, 528884, 542802, 793326, 1085604, 1586652, 1718873, 3437746, 5156619, 6875492, 10313238, 20626476]

約数ペア:

[(1, 20626476), (2, 10313238), (3, 6875492), (4, 5156619), (6, 3437746), (12, 1718873), (13, 1586652), (19, 1085604), (26, 793326), (38, 542802), (39, 528884), (52, 396663), (57, 361868), (76, 271401), (78, 264442), (114, 180934), (156, 132221), (228, 90467), (247, 83508), (494, 41754), (741, 27836), (988, 20877), (1482, 13918), (2964, 6959)]