20533380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48889}}^1$

素因数の和:48908

約数の個数: 48

約数和(自身を含む): 65708160

約数和(自身を除く): 45174780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48889, 97778, 146667, 195556, 244445, 293334, 342223, 488890, 586668, 684446, 733335, 977780, 1026669, 1368892, 1466670, 1711115, 2053338, 2933340, 3422230, 4106676, 5133345, 6844460, 10266690, 20533380]

約数ペア:

[(1, 20533380), (2, 10266690), (3, 6844460), (4, 5133345), (5, 4106676), (6, 3422230), (7, 2933340), (10, 2053338), (12, 1711115), (14, 1466670), (15, 1368892), (20, 1026669), (21, 977780), (28, 733335), (30, 684446), (35, 586668), (42, 488890), (60, 342223), (70, 293334), (84, 244445), (105, 195556), (140, 146667), (210, 97778), (420, 48889)]