20183492

素因数分解:

$2^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 42201600

約数和(自身を除く): 22018108

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 313, 329, 343, 626, 658, 686, 1252, 1316, 1372, 2191, 2303, 4382, 4606, 8764, 9212, 14711, 15337, 16121, 29422, 30674, 32242, 58844, 61348, 64484, 102977, 107359, 205954, 214718, 411908, 429436, 720839, 1441678, 2883356, 5045873, 10091746, 20183492]

約数ペア:

[(1, 20183492), (2, 10091746), (4, 5045873), (7, 2883356), (14, 1441678), (28, 720839), (47, 429436), (49, 411908), (94, 214718), (98, 205954), (188, 107359), (196, 102977), (313, 64484), (329, 61348), (343, 58844), (626, 32242), (658, 30674), (686, 29422), (1252, 16121), (1316, 15337), (1372, 14711), (2191, 9212), (2303, 8764), (4382, 4606)]