20259988

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1373}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 44319744

約数和(自身を除く): 24059756

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 62, 68, 119, 124, 217, 238, 434, 476, 527, 868, 1054, 1373, 2108, 2746, 3689, 5492, 7378, 9611, 14756, 19222, 23341, 38444, 42563, 46682, 85126, 93364, 163387, 170252, 297941, 326774, 595882, 653548, 723571, 1191764, 1447142, 2894284, 5064997, 10129994, 20259988]

約数ペア:

[(1, 20259988), (2, 10129994), (4, 5064997), (7, 2894284), (14, 1447142), (17, 1191764), (28, 723571), (31, 653548), (34, 595882), (62, 326774), (68, 297941), (119, 170252), (124, 163387), (217, 93364), (238, 85126), (434, 46682), (476, 42563), (527, 38444), (868, 23341), (1054, 19222), (1373, 14756), (2108, 9611), (2746, 7378), (3689, 5492)]