20377168

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5869}}^1$

素因数の和:5915

約数の個数: 40

約数和(自身を含む): 46584320

約数和(自身を除く): 26207152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 5869, 11738, 23476, 41083, 46952, 82166, 93904, 164332, 181939, 328664, 363878, 657328, 727756, 1273573, 1455512, 2547146, 2911024, 5094292, 10188584, 20377168]

約数ペア:

[(1, 20377168), (2, 10188584), (4, 5094292), (7, 2911024), (8, 2547146), (14, 1455512), (16, 1273573), (28, 727756), (31, 657328), (56, 363878), (62, 328664), (112, 181939), (124, 164332), (217, 93904), (248, 82166), (434, 46952), (496, 41083), (868, 23476), (1736, 11738), (3472, 5869)]