20350280

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8623}}^1$

素因数の和:8693

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 26219320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8623, 17246, 34492, 43115, 68984, 86230, 172460, 344920, 508757, 1017514, 2035028, 2543785, 4070056, 5087570, 10175140, 20350280]

約数ペア:

[(1, 20350280), (2, 10175140), (4, 5087570), (5, 4070056), (8, 2543785), (10, 2035028), (20, 1017514), (40, 508757), (59, 344920), (118, 172460), (236, 86230), (295, 68984), (472, 43115), (590, 34492), (1180, 17246), (2360, 8623)]