20897400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1201}}^1$

素因数の和:1249

約数の個数: 96

約数和(自身を含む): 67071600

約数和(自身を除く): 46174200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 29, 30, 40, 50, 58, 60, 75, 87, 100, 116, 120, 145, 150, 174, 200, 232, 290, 300, 348, 435, 580, 600, 696, 725, 870, 1160, 1201, 1450, 1740, 2175, 2402, 2900, 3480, 3603, 4350, 4804, 5800, 6005, 7206, 8700, 9608, 12010, 14412, 17400, 18015, 24020, 28824, 30025, 34829, 36030, 48040, 60050, 69658, 72060, 90075, 104487, 120100, 139316, 144120, 174145, 180150, 208974, 240200, 278632, 348290, 360300, 417948, 522435, 696580, 720600, 835896, 870725, 1044870, 1393160, 1741450, 2089740, 2612175, 3482900, 4179480, 5224350, 6965800, 10448700, 20897400]

約数ペア:

[(1, 20897400), (2, 10448700), (3, 6965800), (4, 5224350), (5, 4179480), (6, 3482900), (8, 2612175), (10, 2089740), (12, 1741450), (15, 1393160), (20, 1044870), (24, 870725), (25, 835896), (29, 720600), (30, 696580), (40, 522435), (50, 417948), (58, 360300), (60, 348290), (75, 278632), (87, 240200), (100, 208974), (116, 180150), (120, 174145), (145, 144120), (150, 139316), (174, 120100), (200, 104487), (232, 90075), (290, 72060), (300, 69658), (348, 60050), (435, 48040), (580, 36030), (600, 34829), (696, 30025), (725, 28824), (870, 24020), (1160, 18015), (1201, 17400), (1450, 14412), (1740, 12010), (2175, 9608), (2402, 8700), (2900, 7206), (3480, 6005), (3603, 5800), (4350, 4804)]