20173649620

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1\times {\mathrm{13537}}^1$

素因数の和:14092

約数の個数: 48

約数和(自身を含む): 42678815760

約数和(自身を除く): 22505166140

約数列:

[1, 2, 4, 5, 10, 20, 269, 277, 538, 554, 1076, 1108, 1345, 1385, 2690, 2770, 5380, 5540, 13537, 27074, 54148, 67685, 74513, 135370, 149026, 270740, 298052, 372565, 745130, 1490260, 3641453, 3749749, 7282906, 7499498, 14565812, 14998996, 18207265, 18748745, 36414530, 37497490, 72829060, 74994980, 1008682481, 2017364962, 4034729924, 5043412405, 10086824810, 20173649620]

約数ペア:

[(1, 20173649620), (2, 10086824810), (4, 5043412405), (5, 4034729924), (10, 2017364962), (20, 1008682481), (269, 74994980), (277, 72829060), (538, 37497490), (554, 36414530), (1076, 18748745), (1108, 18207265), (1345, 14998996), (1385, 14565812), (2690, 7499498), (2770, 7282906), (5380, 3749749), (5540, 3641453), (13537, 1490260), (27074, 745130), (54148, 372565), (67685, 298052), (74513, 270740), (135370, 149026)]