20803875680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18574889}}^1$

素因数の和:18574911

約数の個数: 48

約数和(自身を含む): 56170467360

約数和(自身を除く): 35366591680

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, 18574889, 37149778, 74299556, 92874445, 130024223, 148599112, 185748890, 260048446, 297198224, 371497780, 520096892, 594396448, 650121115, 742995560, 1040193784, 1300242230, 1485991120, 2080387568, 2600484460, 2971982240, 4160775136, 5200968920, 10401937840, 20803875680]

約数ペア:

[(1, 20803875680), (2, 10401937840), (4, 5200968920), (5, 4160775136), (7, 2971982240), (8, 2600484460), (10, 2080387568), (14, 1485991120), (16, 1300242230), (20, 1040193784), (28, 742995560), (32, 650121115), (35, 594396448), (40, 520096892), (56, 371497780), (70, 297198224), (80, 260048446), (112, 185748890), (140, 148599112), (160, 130024223), (224, 92874445), (280, 74299556), (560, 37149778), (1120, 18574889)]