20948992

素因数分解:

$2^{11}\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 42899220

約数和(自身を除く): 21950228

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 193, 212, 256, 386, 424, 512, 772, 848, 1024, 1544, 1696, 2048, 3088, 3392, 6176, 6784, 10229, 12352, 13568, 20458, 24704, 27136, 40916, 49408, 54272, 81832, 98816, 108544, 163664, 197632, 327328, 395264, 654656, 1309312, 2618624, 5237248, 10474496, 20948992]

約数ペア:

[(1, 20948992), (2, 10474496), (4, 5237248), (8, 2618624), (16, 1309312), (32, 654656), (53, 395264), (64, 327328), (106, 197632), (128, 163664), (193, 108544), (212, 98816), (256, 81832), (386, 54272), (424, 49408), (512, 40916), (772, 27136), (848, 24704), (1024, 20458), (1544, 13568), (1696, 12352), (2048, 10229), (3088, 6784), (3392, 6176)]