19923680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17789}}^1$

素因数の和:17811

約数の個数: 48

約数和(自身を含む): 53796960

約数和(自身を除く): 33873280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17789, 35578, 71156, 88945, 124523, 142312, 177890, 249046, 284624, 355780, 498092, 569248, 622615, 711560, 996184, 1245230, 1423120, 1992368, 2490460, 2846240, 3984736, 4980920, 9961840, 19923680]

約数ペア:

[(1, 19923680), (2, 9961840), (4, 4980920), (5, 3984736), (7, 2846240), (8, 2490460), (10, 1992368), (14, 1423120), (16, 1245230), (20, 996184), (28, 711560), (32, 622615), (35, 569248), (40, 498092), (56, 355780), (70, 284624), (80, 249046), (112, 177890), (140, 142312), (160, 124523), (224, 88945), (280, 71156), (560, 35578), (1120, 17789)]