20102971380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1700759}}^1$

素因数の和:1700968

約数の個数: 48

約数和(自身を含む): 56574080640

約数和(自身を除く): 36471109260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1970, 2364, 2955, 3940, 5910, 11820, 1700759, 3401518, 5102277, 6803036, 8503795, 10204554, 17007590, 20409108, 25511385, 34015180, 51022770, 102045540, 335049523, 670099046, 1005148569, 1340198092, 1675247615, 2010297138, 3350495230, 4020594276, 5025742845, 6700990460, 10051485690, 20102971380]

約数ペア:

[(1, 20102971380), (2, 10051485690), (3, 6700990460), (4, 5025742845), (5, 4020594276), (6, 3350495230), (10, 2010297138), (12, 1675247615), (15, 1340198092), (20, 1005148569), (30, 670099046), (60, 335049523), (197, 102045540), (394, 51022770), (591, 34015180), (788, 25511385), (985, 20409108), (1182, 17007590), (1970, 10204554), (2364, 8503795), (2955, 6803036), (3940, 5102277), (5910, 3401518), (11820, 1700759)]