20248564

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 44815680

約数和(自身を除く): 24567116

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 59, 68, 98, 103, 118, 119, 196, 206, 236, 238, 412, 413, 476, 721, 826, 833, 1003, 1442, 1652, 1666, 1751, 2006, 2884, 2891, 3332, 3502, 4012, 5047, 5782, 6077, 7004, 7021, 10094, 11564, 12154, 12257, 14042, 20188, 24308, 24514, 28084, 42539, 49028, 49147, 85078, 85799, 98294, 103309, 170156, 171598, 196588, 206618, 297773, 343196, 413236, 595546, 723163, 1191092, 1446326, 2892652, 5062141, 10124282, 20248564]

約数ペア:

[(1, 20248564), (2, 10124282), (4, 5062141), (7, 2892652), (14, 1446326), (17, 1191092), (28, 723163), (34, 595546), (49, 413236), (59, 343196), (68, 297773), (98, 206618), (103, 196588), (118, 171598), (119, 170156), (196, 103309), (206, 98294), (236, 85799), (238, 85078), (412, 49147), (413, 49028), (476, 42539), (721, 28084), (826, 24514), (833, 24308), (1003, 20188), (1442, 14042), (1652, 12257), (1666, 12154), (1751, 11564), (2006, 10094), (2884, 7021), (2891, 7004), (3332, 6077), (3502, 5782), (4012, 5047)]