20019900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{66733}}^1$

素因数の和:66750

約数の個数: 36

約数和(自身を含む): 57925112

約数和(自身を除く): 37905212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 66733, 133466, 200199, 266932, 333665, 400398, 667330, 800796, 1000995, 1334660, 1668325, 2001990, 3336650, 4003980, 5004975, 6673300, 10009950, 20019900]

約数ペア:

[(1, 20019900), (2, 10009950), (3, 6673300), (4, 5004975), (5, 4003980), (6, 3336650), (10, 2001990), (12, 1668325), (15, 1334660), (20, 1000995), (25, 800796), (30, 667330), (50, 400398), (60, 333665), (75, 266932), (100, 200199), (150, 133466), (300, 66733)]