20155452

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{709}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 49620480

約数和(自身を除く): 29465028

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 103, 138, 206, 276, 309, 412, 618, 709, 1236, 1418, 2127, 2369, 2836, 4254, 4738, 7107, 8508, 9476, 14214, 16307, 28428, 32614, 48921, 65228, 73027, 97842, 146054, 195684, 219081, 292108, 438162, 876324, 1679621, 3359242, 5038863, 6718484, 10077726, 20155452]

約数ペア:

[(1, 20155452), (2, 10077726), (3, 6718484), (4, 5038863), (6, 3359242), (12, 1679621), (23, 876324), (46, 438162), (69, 292108), (92, 219081), (103, 195684), (138, 146054), (206, 97842), (276, 73027), (309, 65228), (412, 48921), (618, 32614), (709, 28428), (1236, 16307), (1418, 14214), (2127, 9476), (2369, 8508), (2836, 7107), (4254, 4738)]