20123884870

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1459}}^1\times {\mathrm{9257}}^1$

素因数の和:10872

約数の個数: 32

約数和(自身を含む): 36495036000

約数和(自身を除く): 16371151130

約数列:

[1, 2, 5, 10, 149, 298, 745, 1459, 1490, 2918, 7295, 9257, 14590, 18514, 46285, 92570, 217391, 434782, 1086955, 1379293, 2173910, 2758586, 6896465, 13505963, 13792930, 27011926, 67529815, 135059630, 2012388487, 4024776974, 10061942435, 20123884870]

約数ペア:

[(1, 20123884870), (2, 10061942435), (5, 4024776974), (10, 2012388487), (149, 135059630), (298, 67529815), (745, 27011926), (1459, 13792930), (1490, 13505963), (2918, 6896465), (7295, 2758586), (9257, 2173910), (14590, 1379293), (18514, 1086955), (46285, 434782), (92570, 217391)]