20775512

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1327}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 41433600

約数和(自身を除く): 20658088

約数列:

[1, 2, 4, 8, 19, 38, 76, 103, 152, 206, 412, 824, 1327, 1957, 2654, 3914, 5308, 7828, 10616, 15656, 25213, 50426, 100852, 136681, 201704, 273362, 546724, 1093448, 2596939, 5193878, 10387756, 20775512]

約数ペア:

[(1, 20775512), (2, 10387756), (4, 5193878), (8, 2596939), (19, 1093448), (38, 546724), (76, 273362), (103, 201704), (152, 136681), (206, 100852), (412, 50426), (824, 25213), (1327, 15656), (1957, 10616), (2654, 7828), (3914, 5308)]