20852874

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{461}}^1$

素因数の和:835

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 31038966

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 359, 461, 718, 922, 1077, 1383, 2154, 2513, 2766, 3227, 3231, 4149, 5026, 6454, 6462, 7539, 8298, 9681, 15078, 19362, 22617, 29043, 45234, 58086, 165499, 330998, 496497, 992994, 1158493, 1489491, 2316986, 2978982, 3475479, 6950958, 10426437, 20852874]

約数ペア:

[(1, 20852874), (2, 10426437), (3, 6950958), (6, 3475479), (7, 2978982), (9, 2316986), (14, 1489491), (18, 1158493), (21, 992994), (42, 496497), (63, 330998), (126, 165499), (359, 58086), (461, 45234), (718, 29043), (922, 22617), (1077, 19362), (1383, 15078), (2154, 9681), (2513, 8298), (2766, 7539), (3227, 6462), (3231, 6454), (4149, 5026)]