20199259120

素因数分解:

$2^4\times 5^1\times {\mathrm{3049}}^1\times {\mathrm{82811}}^1$

素因数の和:85873

約数の個数: 40

約数和(自身を含む): 46979247600

約数和(自身を除く): 26779988480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3049, 6098, 12196, 15245, 24392, 30490, 48784, 60980, 82811, 121960, 165622, 243920, 331244, 414055, 662488, 828110, 1324976, 1656220, 3312440, 6624880, 252490739, 504981478, 1009962956, 1262453695, 2019925912, 2524907390, 4039851824, 5049814780, 10099629560, 20199259120]

約数ペア:

[(1, 20199259120), (2, 10099629560), (4, 5049814780), (5, 4039851824), (8, 2524907390), (10, 2019925912), (16, 1262453695), (20, 1009962956), (40, 504981478), (80, 252490739), (3049, 6624880), (6098, 3312440), (12196, 1656220), (15245, 1324976), (24392, 828110), (30490, 662488), (48784, 414055), (60980, 331244), (82811, 243920), (121960, 165622)]