20205864

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:919

約数の個数: 96

約数和(自身を含む): 63947520

約数和(自身を除く): 43741656

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 47, 56, 63, 72, 84, 94, 126, 141, 168, 188, 252, 282, 329, 376, 423, 504, 564, 658, 846, 853, 987, 1128, 1316, 1692, 1706, 1974, 2559, 2632, 2961, 3384, 3412, 3948, 5118, 5922, 5971, 6824, 7677, 7896, 10236, 11844, 11942, 15354, 17913, 20472, 23688, 23884, 30708, 35826, 40091, 47768, 53739, 61416, 71652, 80182, 107478, 120273, 143304, 160364, 214956, 240546, 280637, 320728, 360819, 429912, 481092, 561274, 721638, 841911, 962184, 1122548, 1443276, 1683822, 2245096, 2525733, 2886552, 3367644, 5051466, 6735288, 10102932, 20205864]

約数ペア:

[(1, 20205864), (2, 10102932), (3, 6735288), (4, 5051466), (6, 3367644), (7, 2886552), (8, 2525733), (9, 2245096), (12, 1683822), (14, 1443276), (18, 1122548), (21, 962184), (24, 841911), (28, 721638), (36, 561274), (42, 481092), (47, 429912), (56, 360819), (63, 320728), (72, 280637), (84, 240546), (94, 214956), (126, 160364), (141, 143304), (168, 120273), (188, 107478), (252, 80182), (282, 71652), (329, 61416), (376, 53739), (423, 47768), (504, 40091), (564, 35826), (658, 30708), (846, 23884), (853, 23688), (987, 20472), (1128, 17913), (1316, 15354), (1692, 11942), (1706, 11844), (1974, 10236), (2559, 7896), (2632, 7677), (2961, 6824), (3384, 5971), (3412, 5922), (3948, 5118)]