19964760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5737}}^1$

素因数の和:5780

約数の個数: 64

約数和(自身を含む): 61970400

約数和(自身を除く): 42005640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 5737, 11474, 17211, 22948, 28685, 34422, 45896, 57370, 68844, 86055, 114740, 137688, 166373, 172110, 229480, 332746, 344220, 499119, 665492, 688440, 831865, 998238, 1330984, 1663730, 1996476, 2495595, 3327460, 3992952, 4991190, 6654920, 9982380, 19964760]

約数ペア:

[(1, 19964760), (2, 9982380), (3, 6654920), (4, 4991190), (5, 3992952), (6, 3327460), (8, 2495595), (10, 1996476), (12, 1663730), (15, 1330984), (20, 998238), (24, 831865), (29, 688440), (30, 665492), (40, 499119), (58, 344220), (60, 332746), (87, 229480), (116, 172110), (120, 166373), (145, 137688), (174, 114740), (232, 86055), (290, 68844), (348, 57370), (435, 45896), (580, 34422), (696, 28685), (870, 22948), (1160, 17211), (1740, 11474), (3480, 5737)]