20105261296

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1019}}^1\times {\mathrm{39779}}^1$

素因数の和:40837

約数の個数: 40

約数和(自身を含む): 40250995200

約数和(自身を除く): 20145733904

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1019, 2038, 4076, 8152, 16304, 31589, 39779, 63178, 79558, 126356, 159116, 252712, 318232, 505424, 636464, 1233149, 2466298, 4932596, 9865192, 19730384, 40534801, 81069602, 162139204, 324278408, 648556816, 1256578831, 2513157662, 5026315324, 10052630648, 20105261296]

約数ペア:

[(1, 20105261296), (2, 10052630648), (4, 5026315324), (8, 2513157662), (16, 1256578831), (31, 648556816), (62, 324278408), (124, 162139204), (248, 81069602), (496, 40534801), (1019, 19730384), (2038, 9865192), (4076, 4932596), (8152, 2466298), (16304, 1233149), (31589, 636464), (39779, 505424), (63178, 318232), (79558, 252712), (126356, 159116)]