20161386408

素因数分解:

$2^3\times 3^1\times {\mathrm{523}}^1\times {\mathrm{541}}^1\times {\mathrm{2969}}^1$

素因数の和:4042

約数の個数: 64

約数和(自身を含む): 50610225600

約数和(自身を除く): 30448839192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 523, 541, 1046, 1082, 1569, 1623, 2092, 2164, 2969, 3138, 3246, 4184, 4328, 5938, 6276, 6492, 8907, 11876, 12552, 12984, 17814, 23752, 35628, 71256, 282943, 565886, 848829, 1131772, 1552787, 1606229, 1697658, 2263544, 3105574, 3212458, 3395316, 4658361, 4818687, 6211148, 6424916, 6790632, 9316722, 9637374, 12422296, 12849832, 18633444, 19274748, 37266888, 38549496, 840057767, 1680115534, 2520173301, 3360231068, 5040346602, 6720462136, 10080693204, 20161386408]

約数ペア:

[(1, 20161386408), (2, 10080693204), (3, 6720462136), (4, 5040346602), (6, 3360231068), (8, 2520173301), (12, 1680115534), (24, 840057767), (523, 38549496), (541, 37266888), (1046, 19274748), (1082, 18633444), (1569, 12849832), (1623, 12422296), (2092, 9637374), (2164, 9316722), (2969, 6790632), (3138, 6424916), (3246, 6211148), (4184, 4818687), (4328, 4658361), (5938, 3395316), (6276, 3212458), (6492, 3105574), (8907, 2263544), (11876, 1697658), (12552, 1606229), (12984, 1552787), (17814, 1131772), (23752, 848829), (35628, 565886), (71256, 282943)]