20174967568

素因数分解:

$2^4\times 7^2\times {\mathrm{113}}^1\times {\mathrm{227729}}^1$

素因数の和:227864

約数の個数: 60

約数和(自身を含む): 45873475740

約数和(自身を除く): 25698508172

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 113, 196, 226, 392, 452, 784, 791, 904, 1582, 1808, 3164, 5537, 6328, 11074, 12656, 22148, 44296, 88592, 227729, 455458, 910916, 1594103, 1821832, 3188206, 3643664, 6376412, 11158721, 12752824, 22317442, 25505648, 25733377, 44634884, 51466754, 89269768, 102933508, 178539536, 180133639, 205867016, 360267278, 411734032, 720534556, 1260935473, 1441069112, 2521870946, 2882138224, 5043741892, 10087483784, 20174967568]

約数ペア:

[(1, 20174967568), (2, 10087483784), (4, 5043741892), (7, 2882138224), (8, 2521870946), (14, 1441069112), (16, 1260935473), (28, 720534556), (49, 411734032), (56, 360267278), (98, 205867016), (112, 180133639), (113, 178539536), (196, 102933508), (226, 89269768), (392, 51466754), (452, 44634884), (784, 25733377), (791, 25505648), (904, 22317442), (1582, 12752824), (1808, 11158721), (3164, 6376412), (5537, 3643664), (6328, 3188206), (11074, 1821832), (12656, 1594103), (22148, 910916), (44296, 455458), (88592, 227729)]