20806728

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{23431}}^1$

素因数の和:23477

約数の個数: 32

約数和(自身を含む): 53424960

約数和(自身を除く): 32618232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 23431, 46862, 70293, 93724, 140586, 187448, 281172, 562344, 866947, 1733894, 2600841, 3467788, 5201682, 6935576, 10403364, 20806728]

約数ペア:

[(1, 20806728), (2, 10403364), (3, 6935576), (4, 5201682), (6, 3467788), (8, 2600841), (12, 1733894), (24, 866947), (37, 562344), (74, 281172), (111, 187448), (148, 140586), (222, 93724), (296, 70293), (444, 46862), (888, 23431)]