20158474749

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2053}}^1\times {\mathrm{15083}}^1$

素因数の和:17177

約数の個数: 32

約数和(自身を含む): 31726116864

約数和(自身を除く): 11567642115

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 2053, 6159, 14371, 15083, 43113, 45249, 63643, 105581, 190929, 316743, 445501, 467573, 1336503, 1402719, 3273011, 9819033, 30965399, 92896197, 216757793, 650273379, 959927369, 2879782107, 6719491583, 20158474749]

約数ペア:

[(1, 20158474749), (3, 6719491583), (7, 2879782107), (21, 959927369), (31, 650273379), (93, 216757793), (217, 92896197), (651, 30965399), (2053, 9819033), (6159, 3273011), (14371, 1402719), (15083, 1336503), (43113, 467573), (45249, 445501), (63643, 316743), (105581, 190929)]