20853668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 42033600

約数和(自身を除く): 21179932

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 59, 116, 118, 236, 277, 319, 554, 638, 649, 1108, 1276, 1298, 1711, 2596, 3047, 3422, 6094, 6844, 8033, 12188, 16066, 16343, 18821, 32132, 32686, 37642, 65372, 75284, 88363, 176726, 179773, 353452, 359546, 473947, 719092, 947894, 1895788, 5213417, 10426834, 20853668]

約数ペア:

[(1, 20853668), (2, 10426834), (4, 5213417), (11, 1895788), (22, 947894), (29, 719092), (44, 473947), (58, 359546), (59, 353452), (116, 179773), (118, 176726), (236, 88363), (277, 75284), (319, 65372), (554, 37642), (638, 32686), (649, 32132), (1108, 18821), (1276, 16343), (1298, 16066), (1711, 12188), (2596, 8033), (3047, 6844), (3422, 6094)]