20525624

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 26475976

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 101, 133, 152, 191, 202, 266, 382, 404, 532, 707, 764, 808, 1064, 1337, 1414, 1528, 1919, 2674, 2828, 3629, 3838, 5348, 5656, 7258, 7676, 10696, 13433, 14516, 15352, 19291, 25403, 26866, 29032, 38582, 50806, 53732, 77164, 101612, 107464, 135037, 154328, 203224, 270074, 366529, 540148, 733058, 1080296, 1466116, 2565703, 2932232, 5131406, 10262812, 20525624]

約数ペア:

[(1, 20525624), (2, 10262812), (4, 5131406), (7, 2932232), (8, 2565703), (14, 1466116), (19, 1080296), (28, 733058), (38, 540148), (56, 366529), (76, 270074), (101, 203224), (133, 154328), (152, 135037), (191, 107464), (202, 101612), (266, 77164), (382, 53732), (404, 50806), (532, 38582), (707, 29032), (764, 26866), (808, 25403), (1064, 19291), (1337, 15352), (1414, 14516), (1528, 13433), (1919, 10696), (2674, 7676), (2828, 7258), (3629, 5656), (3838, 5348)]