20622848

素因数分解:

$2^9\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:922

約数の個数: 40

約数和(自身を含む): 42131232

約数和(自身を除く): 21508384

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 512, 752, 857, 1504, 1714, 3008, 3428, 6016, 6856, 12032, 13712, 24064, 27424, 40279, 54848, 80558, 109696, 161116, 219392, 322232, 438784, 644464, 1288928, 2577856, 5155712, 10311424, 20622848]

約数ペア:

[(1, 20622848), (2, 10311424), (4, 5155712), (8, 2577856), (16, 1288928), (32, 644464), (47, 438784), (64, 322232), (94, 219392), (128, 161116), (188, 109696), (256, 80558), (376, 54848), (512, 40279), (752, 27424), (857, 24064), (1504, 13712), (1714, 12032), (3008, 6856), (3428, 6016)]