20088688

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:433

約数の個数: 40

約数和(自身を含む): 40372416

約数和(自身を除く): 20283728

約数列:

[1, 2, 4, 8, 16, 41, 82, 113, 164, 226, 271, 328, 452, 542, 656, 904, 1084, 1808, 2168, 4336, 4633, 9266, 11111, 18532, 22222, 30623, 37064, 44444, 61246, 74128, 88888, 122492, 177776, 244984, 489968, 1255543, 2511086, 5022172, 10044344, 20088688]

約数ペア:

[(1, 20088688), (2, 10044344), (4, 5022172), (8, 2511086), (16, 1255543), (41, 489968), (82, 244984), (113, 177776), (164, 122492), (226, 88888), (271, 74128), (328, 61246), (452, 44444), (542, 37064), (656, 30623), (904, 22222), (1084, 18532), (1808, 11111), (2168, 9266), (4336, 4633)]