20089888

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6899}}^1$

素因数の和:6929

約数の個数: 48

約数和(自身を含む): 48686400

約数和(自身を除く): 28596512

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6899, 13798, 27596, 48293, 55192, 89687, 96586, 110384, 179374, 193172, 220768, 358748, 386344, 627809, 717496, 772688, 1255618, 1434992, 1545376, 2511236, 2869984, 5022472, 10044944, 20089888]

約数ペア:

[(1, 20089888), (2, 10044944), (4, 5022472), (7, 2869984), (8, 2511236), (13, 1545376), (14, 1434992), (16, 1255618), (26, 772688), (28, 717496), (32, 627809), (52, 386344), (56, 358748), (91, 220768), (104, 193172), (112, 179374), (182, 110384), (208, 96586), (224, 89687), (364, 55192), (416, 48293), (728, 27596), (1456, 13798), (2912, 6899)]