20778845608

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{1091}}^1\times {\mathrm{35533}}^1$

素因数の和:36697

約数の個数: 32

約数和(自身を含む): 39579190560

約数和(自身を除く): 18800344952

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 1091, 2182, 4364, 8728, 35533, 71066, 73097, 142132, 146194, 284264, 292388, 584776, 2380711, 4761422, 9522844, 19045688, 38766503, 77533006, 155066012, 310132024, 2597355701, 5194711402, 10389422804, 20778845608]

約数ペア:

[(1, 20778845608), (2, 10389422804), (4, 5194711402), (8, 2597355701), (67, 310132024), (134, 155066012), (268, 77533006), (536, 38766503), (1091, 19045688), (2182, 9522844), (4364, 4761422), (8728, 2380711), (35533, 584776), (71066, 292388), (73097, 284264), (142132, 146194)]