20189020929

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{220147}}^1$

素因数の和:220565

約数の個数: 32

約数和(自身を含む): 33645659136

約数和(自身を除く): 13456638207

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 397, 1191, 2779, 4367, 8337, 13101, 30569, 91707, 220147, 660441, 1541029, 2421617, 4623087, 7264851, 16951319, 50853957, 87398359, 262195077, 611788513, 961381949, 1835365539, 2884145847, 6729673643, 20189020929]

約数ペア:

[(1, 20189020929), (3, 6729673643), (7, 2884145847), (11, 1835365539), (21, 961381949), (33, 611788513), (77, 262195077), (231, 87398359), (397, 50853957), (1191, 16951319), (2779, 7264851), (4367, 4623087), (8337, 2421617), (13101, 1541029), (30569, 660441), (91707, 220147)]