20199571420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{5749}}^1\times {\mathrm{25097}}^1$

素因数の和:30862

約数の個数: 48

約数和(自身を含む): 48489336000

約数和(自身を除く): 28289764580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 5749, 11498, 22996, 25097, 28745, 40243, 50194, 57490, 80486, 100388, 114980, 125485, 160972, 175679, 201215, 250970, 351358, 402430, 501940, 702716, 804860, 878395, 1756790, 3513580, 144282653, 288565306, 577130612, 721413265, 1009978571, 1442826530, 2019957142, 2885653060, 4039914284, 5049892855, 10099785710, 20199571420]

約数ペア:

[(1, 20199571420), (2, 10099785710), (4, 5049892855), (5, 4039914284), (7, 2885653060), (10, 2019957142), (14, 1442826530), (20, 1009978571), (28, 721413265), (35, 577130612), (70, 288565306), (140, 144282653), (5749, 3513580), (11498, 1756790), (22996, 878395), (25097, 804860), (28745, 702716), (40243, 501940), (50194, 402430), (57490, 351358), (80486, 250970), (100388, 201215), (114980, 175679), (125485, 160972)]