20736776

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 40106880

約数和(自身を除く): 19370104

約数列:

[1, 2, 4, 8, 47, 94, 131, 188, 262, 376, 421, 524, 842, 1048, 1684, 3368, 6157, 12314, 19787, 24628, 39574, 49256, 55151, 79148, 110302, 158296, 220604, 441208, 2592097, 5184194, 10368388, 20736776]

約数ペア:

[(1, 20736776), (2, 10368388), (4, 5184194), (8, 2592097), (47, 441208), (94, 220604), (131, 158296), (188, 110302), (262, 79148), (376, 55151), (421, 49256), (524, 39574), (842, 24628), (1048, 19787), (1684, 12314), (3368, 6157)]