22691720

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{997}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 51197400

約数和(自身を除く): 28505680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 997, 1138, 1994, 2276, 2845, 3988, 4552, 4985, 5690, 7976, 9970, 11380, 19940, 22760, 39880, 567293, 1134586, 2269172, 2836465, 4538344, 5672930, 11345860, 22691720]

約数ペア:

[(1, 22691720), (2, 11345860), (4, 5672930), (5, 4538344), (8, 2836465), (10, 2269172), (20, 1134586), (40, 567293), (569, 39880), (997, 22760), (1138, 19940), (1994, 11380), (2276, 9970), (2845, 7976), (3988, 5690), (4552, 4985)]