20503812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 59673600

約数和(自身を除く): 39169788

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 29, 38, 42, 57, 58, 76, 84, 87, 114, 116, 133, 174, 203, 228, 266, 348, 399, 406, 443, 532, 551, 609, 798, 812, 886, 1102, 1218, 1329, 1596, 1653, 1772, 2204, 2436, 2658, 3101, 3306, 3857, 5316, 6202, 6612, 7714, 8417, 9303, 11571, 12404, 12847, 15428, 16834, 18606, 23142, 25251, 25694, 33668, 37212, 38541, 46284, 50502, 51388, 58919, 77082, 89929, 101004, 117838, 154164, 176757, 179858, 235676, 244093, 269787, 353514, 359716, 488186, 539574, 707028, 732279, 976372, 1079148, 1464558, 1708651, 2929116, 3417302, 5125953, 6834604, 10251906, 20503812]

約数ペア:

[(1, 20503812), (2, 10251906), (3, 6834604), (4, 5125953), (6, 3417302), (7, 2929116), (12, 1708651), (14, 1464558), (19, 1079148), (21, 976372), (28, 732279), (29, 707028), (38, 539574), (42, 488186), (57, 359716), (58, 353514), (76, 269787), (84, 244093), (87, 235676), (114, 179858), (116, 176757), (133, 154164), (174, 117838), (203, 101004), (228, 89929), (266, 77082), (348, 58919), (399, 51388), (406, 50502), (443, 46284), (532, 38541), (551, 37212), (609, 33668), (798, 25694), (812, 25251), (886, 23142), (1102, 18606), (1218, 16834), (1329, 15428), (1596, 12847), (1653, 12404), (1772, 11571), (2204, 9303), (2436, 8417), (2658, 7714), (3101, 6612), (3306, 6202), (3857, 5316)]