20620624

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2339}}^1$

素因数の和:2395

約数の個数: 40

約数和(自身を含む): 43524000

約数和(自身を除く): 22903376

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 464, 551, 1102, 2204, 2339, 4408, 4678, 8816, 9356, 18712, 37424, 44441, 67831, 88882, 135662, 177764, 271324, 355528, 542648, 711056, 1085296, 1288789, 2577578, 5155156, 10310312, 20620624]

約数ペア:

[(1, 20620624), (2, 10310312), (4, 5155156), (8, 2577578), (16, 1288789), (19, 1085296), (29, 711056), (38, 542648), (58, 355528), (76, 271324), (116, 177764), (152, 135662), (232, 88882), (304, 67831), (464, 44441), (551, 37424), (1102, 18712), (2204, 9356), (2339, 8816), (4408, 4678)]