20943160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{74797}}^1$

素因数の和:74815

約数の個数: 32

約数和(自身を含む): 53854560

約数和(自身を除く): 32911400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 74797, 149594, 299188, 373985, 523579, 598376, 747970, 1047158, 1495940, 2094316, 2617895, 2991880, 4188632, 5235790, 10471580, 20943160]

約数ペア:

[(1, 20943160), (2, 10471580), (4, 5235790), (5, 4188632), (7, 2991880), (8, 2617895), (10, 2094316), (14, 1495940), (20, 1047158), (28, 747970), (35, 598376), (40, 523579), (56, 373985), (70, 299188), (140, 149594), (280, 74797)]