19883920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35507}}^1$

素因数の和:35527

約数の個数: 40

約数和(自身を含む): 52835904

約数和(自身を除く): 32951984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35507, 71014, 142028, 177535, 248549, 284056, 355070, 497098, 568112, 710140, 994196, 1242745, 1420280, 1988392, 2485490, 2840560, 3976784, 4970980, 9941960, 19883920]

約数ペア:

[(1, 19883920), (2, 9941960), (4, 4970980), (5, 3976784), (7, 2840560), (8, 2485490), (10, 1988392), (14, 1420280), (16, 1242745), (20, 994196), (28, 710140), (35, 568112), (40, 497098), (56, 355070), (70, 284056), (80, 248549), (112, 177535), (140, 142028), (280, 71014), (560, 35507)]