20662400

素因数分解:

$2^7\times 5^2\times {\mathrm{11}}^1\times {\mathrm{587}}^1$

素因数の和:622

約数の個数: 96

約数和(自身を含む): 55777680

約数和(自身を除く): 35115280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 200, 220, 275, 320, 352, 400, 440, 550, 587, 640, 704, 800, 880, 1100, 1174, 1408, 1600, 1760, 2200, 2348, 2935, 3200, 3520, 4400, 4696, 5870, 6457, 7040, 8800, 9392, 11740, 12914, 14675, 17600, 18784, 23480, 25828, 29350, 32285, 35200, 37568, 46960, 51656, 58700, 64570, 75136, 93920, 103312, 117400, 129140, 161425, 187840, 206624, 234800, 258280, 322850, 375680, 413248, 469600, 516560, 645700, 826496, 939200, 1033120, 1291400, 1878400, 2066240, 2582800, 4132480, 5165600, 10331200, 20662400]

約数ペア:

[(1, 20662400), (2, 10331200), (4, 5165600), (5, 4132480), (8, 2582800), (10, 2066240), (11, 1878400), (16, 1291400), (20, 1033120), (22, 939200), (25, 826496), (32, 645700), (40, 516560), (44, 469600), (50, 413248), (55, 375680), (64, 322850), (80, 258280), (88, 234800), (100, 206624), (110, 187840), (128, 161425), (160, 129140), (176, 117400), (200, 103312), (220, 93920), (275, 75136), (320, 64570), (352, 58700), (400, 51656), (440, 46960), (550, 37568), (587, 35200), (640, 32285), (704, 29350), (800, 25828), (880, 23480), (1100, 18784), (1174, 17600), (1408, 14675), (1600, 12914), (1760, 11740), (2200, 9392), (2348, 8800), (2935, 7040), (3200, 6457), (3520, 5870), (4400, 4696)]