20766186

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 53256960

約数和(自身を除く): 32490774

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 137, 189, 274, 378, 401, 411, 802, 822, 959, 1203, 1233, 1918, 2406, 2466, 2807, 2877, 3609, 3699, 5614, 5754, 7218, 7398, 8421, 8631, 10827, 16842, 17262, 21654, 25263, 25893, 50526, 51786, 54937, 75789, 109874, 151578, 164811, 329622, 384559, 494433, 769118, 988866, 1153677, 1483299, 2307354, 2966598, 3461031, 6922062, 10383093, 20766186]

約数ペア:

[(1, 20766186), (2, 10383093), (3, 6922062), (6, 3461031), (7, 2966598), (9, 2307354), (14, 1483299), (18, 1153677), (21, 988866), (27, 769118), (42, 494433), (54, 384559), (63, 329622), (126, 164811), (137, 151578), (189, 109874), (274, 75789), (378, 54937), (401, 51786), (411, 50526), (802, 25893), (822, 25263), (959, 21654), (1203, 17262), (1233, 16842), (1918, 10827), (2406, 8631), (2466, 8421), (2807, 7398), (2877, 7218), (3609, 5754), (3699, 5614)]