20179896

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{6949}}^1$

素因数の和:6980

約数の個数: 48

約数和(自身を含む): 55461000

約数和(自身を除く): 35281104

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1452, 2904, 6949, 13898, 20847, 27796, 41694, 55592, 76439, 83388, 152878, 166776, 229317, 305756, 458634, 611512, 840829, 917268, 1681658, 1834536, 2522487, 3363316, 5044974, 6726632, 10089948, 20179896]

約数ペア:

[(1, 20179896), (2, 10089948), (3, 6726632), (4, 5044974), (6, 3363316), (8, 2522487), (11, 1834536), (12, 1681658), (22, 917268), (24, 840829), (33, 611512), (44, 458634), (66, 305756), (88, 229317), (121, 166776), (132, 152878), (242, 83388), (264, 76439), (363, 55592), (484, 41694), (726, 27796), (968, 20847), (1452, 13898), (2904, 6949)]