22019720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{7541}}^1$

素因数の和:7625

約数の個数: 32

約数和(自身を含む): 50229720

約数和(自身を除く): 28210000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 7541, 15082, 30164, 37705, 60328, 75410, 150820, 301640, 550493, 1100986, 2201972, 2752465, 4403944, 5504930, 11009860, 22019720]

約数ペア:

[(1, 22019720), (2, 11009860), (4, 5504930), (5, 4403944), (8, 2752465), (10, 2201972), (20, 1100986), (40, 550493), (73, 301640), (146, 150820), (292, 75410), (365, 60328), (584, 37705), (730, 30164), (1460, 15082), (2920, 7541)]