20896624

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4339}}^1$

素因数の和:4397

約数の個数: 40

約数和(自身を含む): 47358080

約数和(自身を除く): 26461456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4339, 4816, 8678, 17356, 30373, 34712, 60746, 69424, 121492, 186577, 242984, 373154, 485968, 746308, 1306039, 1492616, 2612078, 2985232, 5224156, 10448312, 20896624]

約数ペア:

[(1, 20896624), (2, 10448312), (4, 5224156), (7, 2985232), (8, 2612078), (14, 1492616), (16, 1306039), (28, 746308), (43, 485968), (56, 373154), (86, 242984), (112, 186577), (172, 121492), (301, 69424), (344, 60746), (602, 34712), (688, 30373), (1204, 17356), (2408, 8678), (4339, 4816)]