20824340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 45505152

約数和(自身を除く): 24680812

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 107, 148, 185, 214, 263, 370, 428, 526, 535, 740, 1052, 1070, 1315, 2140, 2630, 3959, 5260, 7918, 9731, 15836, 19462, 19795, 28141, 38924, 39590, 48655, 56282, 79180, 97310, 112564, 140705, 194620, 281410, 562820, 1041217, 2082434, 4164868, 5206085, 10412170, 20824340]

約数ペア:

[(1, 20824340), (2, 10412170), (4, 5206085), (5, 4164868), (10, 2082434), (20, 1041217), (37, 562820), (74, 281410), (107, 194620), (148, 140705), (185, 112564), (214, 97310), (263, 79180), (370, 56282), (428, 48655), (526, 39590), (535, 38924), (740, 28141), (1052, 19795), (1070, 19462), (1315, 15836), (2140, 9731), (2630, 7918), (3959, 5260)]