20716872

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:926

約数の個数: 64

約数和(自身を含む): 57153600

約数和(自身を除く): 36436728

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 97, 132, 194, 264, 291, 388, 582, 776, 809, 1067, 1164, 1618, 2134, 2328, 2427, 3201, 3236, 4268, 4854, 6402, 6472, 8536, 8899, 9708, 12804, 17798, 19416, 25608, 26697, 35596, 53394, 71192, 78473, 106788, 156946, 213576, 235419, 313892, 470838, 627784, 863203, 941676, 1726406, 1883352, 2589609, 3452812, 5179218, 6905624, 10358436, 20716872]

約数ペア:

[(1, 20716872), (2, 10358436), (3, 6905624), (4, 5179218), (6, 3452812), (8, 2589609), (11, 1883352), (12, 1726406), (22, 941676), (24, 863203), (33, 627784), (44, 470838), (66, 313892), (88, 235419), (97, 213576), (132, 156946), (194, 106788), (264, 78473), (291, 71192), (388, 53394), (582, 35596), (776, 26697), (809, 25608), (1067, 19416), (1164, 17798), (1618, 12804), (2134, 9708), (2328, 8899), (2427, 8536), (3201, 6472), (3236, 6402), (4268, 4854)]