20012688

素因数分解:

$2^4\times 3^2\times {\mathrm{138977}}^1$

素因数の和:138991

約数の個数: 30

約数和(自身を含む): 56008134

約数和(自身を除く): 35995446

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138977, 277954, 416931, 555908, 833862, 1111816, 1250793, 1667724, 2223632, 2501586, 3335448, 5003172, 6670896, 10006344, 20012688]

約数ペア:

[(1, 20012688), (2, 10006344), (3, 6670896), (4, 5003172), (6, 3335448), (8, 2501586), (9, 2223632), (12, 1667724), (16, 1250793), (18, 1111816), (24, 833862), (36, 555908), (48, 416931), (72, 277954), (144, 138977)]