20550876836

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{238531}}^1$

素因数の和:238740

約数の個数: 48

約数和(自身を含む): 43760126592

約数和(自身を除く): 23209249756

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 181, 238, 362, 476, 724, 1267, 2534, 3077, 5068, 6154, 12308, 21539, 43078, 86156, 238531, 477062, 954124, 1669717, 3339434, 4055027, 6678868, 8110054, 16220108, 28385189, 43174111, 56770378, 86348222, 113540756, 172696444, 302218777, 604437554, 733959887, 1208875108, 1467919774, 2935839548, 5137719209, 10275438418, 20550876836]

約数ペア:

[(1, 20550876836), (2, 10275438418), (4, 5137719209), (7, 2935839548), (14, 1467919774), (17, 1208875108), (28, 733959887), (34, 604437554), (68, 302218777), (119, 172696444), (181, 113540756), (238, 86348222), (362, 56770378), (476, 43174111), (724, 28385189), (1267, 16220108), (2534, 8110054), (3077, 6678868), (5068, 4055027), (6154, 3339434), (12308, 1669717), (21539, 954124), (43078, 477062), (86156, 238531)]