20581260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{49003}}^1$

素因数の和:49022

約数の個数: 48

約数和(自身を含む): 65861376

約数和(自身を除く): 45280116

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 49003, 98006, 147009, 196012, 245015, 294018, 343021, 490030, 588036, 686042, 735045, 980060, 1029063, 1372084, 1470090, 1715105, 2058126, 2940180, 3430210, 4116252, 5145315, 6860420, 10290630, 20581260]

約数ペア:

[(1, 20581260), (2, 10290630), (3, 6860420), (4, 5145315), (5, 4116252), (6, 3430210), (7, 2940180), (10, 2058126), (12, 1715105), (14, 1470090), (15, 1372084), (20, 1029063), (21, 980060), (28, 735045), (30, 686042), (35, 588036), (42, 490030), (60, 343021), (70, 294018), (84, 245015), (105, 196012), (140, 147009), (210, 98006), (420, 49003)]