20766500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{1013}}^1$

素因数の和:1073

約数の個数: 48

約数和(自身を含む): 46506096

約数和(自身を除く): 25739596

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 820, 1013, 1025, 2026, 2050, 4052, 4100, 5065, 5125, 10130, 10250, 20260, 20500, 25325, 41533, 50650, 83066, 101300, 126625, 166132, 207665, 253250, 415330, 506500, 830660, 1038325, 2076650, 4153300, 5191625, 10383250, 20766500]

約数ペア:

[(1, 20766500), (2, 10383250), (4, 5191625), (5, 4153300), (10, 2076650), (20, 1038325), (25, 830660), (41, 506500), (50, 415330), (82, 253250), (100, 207665), (125, 166132), (164, 126625), (205, 101300), (250, 83066), (410, 50650), (500, 41533), (820, 25325), (1013, 20500), (1025, 20260), (2026, 10250), (2050, 10130), (4052, 5125), (4100, 5065)]