20899053488

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{643}}^1\times {\mathrm{17977}}^1$

素因数の和:18741

約数の個数: 40

約数和(自身を含む): 40916058288

約数和(自身を除く): 20017004800

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 643, 904, 1286, 1808, 2572, 5144, 10288, 17977, 35954, 71908, 72659, 143816, 145318, 287632, 290636, 581272, 1162544, 2031401, 4062802, 8125604, 11559211, 16251208, 23118422, 32502416, 46236844, 92473688, 184947376, 1306190843, 2612381686, 5224763372, 10449526744, 20899053488]

約数ペア:

[(1, 20899053488), (2, 10449526744), (4, 5224763372), (8, 2612381686), (16, 1306190843), (113, 184947376), (226, 92473688), (452, 46236844), (643, 32502416), (904, 23118422), (1286, 16251208), (1808, 11559211), (2572, 8125604), (5144, 4062802), (10288, 2031401), (17977, 1162544), (35954, 581272), (71908, 290636), (72659, 287632), (143816, 145318)]