20219890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{797}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 17701070

約数列:

[1, 2, 5, 10, 43, 59, 86, 118, 215, 295, 430, 590, 797, 1594, 2537, 3985, 5074, 7970, 12685, 25370, 34271, 47023, 68542, 94046, 171355, 235115, 342710, 470230, 2021989, 4043978, 10109945, 20219890]

約数ペア:

[(1, 20219890), (2, 10109945), (5, 4043978), (10, 2021989), (43, 470230), (59, 342710), (86, 235115), (118, 171355), (215, 94046), (295, 68542), (430, 47023), (590, 34271), (797, 25370), (1594, 12685), (2537, 7970), (3985, 5074)]