20172921128

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{461}}^1\times {\mathrm{69239}}^1$

素因数の和:69785

約数の個数: 32

約数和(自身を含む): 38386656000

約数和(自身を除く): 18213734872

約数列:

[1, 2, 4, 8, 79, 158, 316, 461, 632, 922, 1844, 3688, 36419, 69239, 72838, 138478, 145676, 276956, 291352, 553912, 5469881, 10939762, 21879524, 31919179, 43759048, 63838358, 127676716, 255353432, 2521615141, 5043230282, 10086460564, 20172921128]

約数ペア:

[(1, 20172921128), (2, 10086460564), (4, 5043230282), (8, 2521615141), (79, 255353432), (158, 127676716), (316, 63838358), (461, 43759048), (632, 31919179), (922, 21879524), (1844, 10939762), (3688, 5469881), (36419, 553912), (69239, 291352), (72838, 276956), (138478, 145676)]