20145128824

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1\times {\mathrm{2081}}^1$

素因数の和:2500

約数の個数: 64

約数和(自身を含む): 39178909440

約数和(自身を除く): 19033780616

約数列:

[1, 2, 4, 8, 43, 86, 107, 172, 214, 263, 344, 428, 526, 856, 1052, 2081, 2104, 4162, 4601, 8324, 9202, 11309, 16648, 18404, 22618, 28141, 36808, 45236, 56282, 89483, 90472, 112564, 178966, 222667, 225128, 357932, 445334, 547303, 715864, 890668, 1094606, 1210063, 1781336, 2189212, 2420126, 4378424, 4840252, 9574681, 9680504, 19149362, 23534029, 38298724, 47068058, 58561421, 76597448, 94136116, 117122842, 188272232, 234245684, 468491368, 2518141103, 5036282206, 10072564412, 20145128824]

約数ペア:

[(1, 20145128824), (2, 10072564412), (4, 5036282206), (8, 2518141103), (43, 468491368), (86, 234245684), (107, 188272232), (172, 117122842), (214, 94136116), (263, 76597448), (344, 58561421), (428, 47068058), (526, 38298724), (856, 23534029), (1052, 19149362), (2081, 9680504), (2104, 9574681), (4162, 4840252), (4601, 4378424), (8324, 2420126), (9202, 2189212), (11309, 1781336), (16648, 1210063), (18404, 1094606), (22618, 890668), (28141, 715864), (36808, 547303), (45236, 445334), (56282, 357932), (89483, 225128), (90472, 222667), (112564, 178966)]