16720356

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2089}}^1$

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 42134400

約数和(自身を除く): 25414044

約数列:

[1, 2, 3, 4, 6, 12, 23, 29, 46, 58, 69, 87, 92, 116, 138, 174, 276, 348, 667, 1334, 2001, 2089, 2668, 4002, 4178, 6267, 8004, 8356, 12534, 25068, 48047, 60581, 96094, 121162, 144141, 181743, 192188, 242324, 288282, 363486, 576564, 726972, 1393363, 2786726, 4180089, 5573452, 8360178, 16720356]

約数ペア:

[(1, 16720356), (2, 8360178), (3, 5573452), (4, 4180089), (6, 2786726), (12, 1393363), (23, 726972), (29, 576564), (46, 363486), (58, 288282), (69, 242324), (87, 192188), (92, 181743), (116, 144141), (138, 121162), (174, 96094), (276, 60581), (348, 48047), (667, 25068), (1334, 12534), (2001, 8356), (2089, 8004), (2668, 6267), (4002, 4178)]