20201500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{3673}}^1$

素因数の和:3703

約数の個数: 48

約数和(自身を含む): 48144096

約数和(自身を除く): 27942596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2750, 3673, 5500, 7346, 14692, 18365, 36730, 40403, 73460, 80806, 91825, 161612, 183650, 202015, 367300, 404030, 459125, 808060, 918250, 1010075, 1836500, 2020150, 4040300, 5050375, 10100750, 20201500]

約数ペア:

[(1, 20201500), (2, 10100750), (4, 5050375), (5, 4040300), (10, 2020150), (11, 1836500), (20, 1010075), (22, 918250), (25, 808060), (44, 459125), (50, 404030), (55, 367300), (100, 202015), (110, 183650), (125, 161612), (220, 91825), (250, 80806), (275, 73460), (500, 40403), (550, 36730), (1100, 18365), (1375, 14692), (2750, 7346), (3673, 5500)]