22319720

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{751}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 50353920

約数和(自身を除く): 28034200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 751, 1486, 1502, 2972, 3004, 3715, 3755, 5944, 6008, 7430, 7510, 14860, 15020, 29720, 30040, 557993, 1115986, 2231972, 2789965, 4463944, 5579930, 11159860, 22319720]

約数ペア:

[(1, 22319720), (2, 11159860), (4, 5579930), (5, 4463944), (8, 2789965), (10, 2231972), (20, 1115986), (40, 557993), (743, 30040), (751, 29720), (1486, 15020), (1502, 14860), (2972, 7510), (3004, 7430), (3715, 6008), (3755, 5944)]