20480664

素因数分解:

$2^3\times 3^1\times {\mathrm{109}}^1\times {\mathrm{7829}}^1$

素因数の和:7947

約数の個数: 32

約数和(自身を含む): 51678000

約数和(自身を除く): 31197336

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 109, 218, 327, 436, 654, 872, 1308, 2616, 7829, 15658, 23487, 31316, 46974, 62632, 93948, 187896, 853361, 1706722, 2560083, 3413444, 5120166, 6826888, 10240332, 20480664]

約数ペア:

[(1, 20480664), (2, 10240332), (3, 6826888), (4, 5120166), (6, 3413444), (8, 2560083), (12, 1706722), (24, 853361), (109, 187896), (218, 93948), (327, 62632), (436, 46974), (654, 31316), (872, 23487), (1308, 15658), (2616, 7829)]