20762814

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 46282752

約数和(自身を除く): 25519938

約数列:

[1, 2, 3, 6, 17, 34, 47, 51, 61, 71, 94, 102, 122, 141, 142, 183, 213, 282, 366, 426, 799, 1037, 1207, 1598, 2074, 2397, 2414, 2867, 3111, 3337, 3621, 4331, 4794, 5734, 6222, 6674, 7242, 8601, 8662, 10011, 12993, 17202, 20022, 25986, 48739, 56729, 73627, 97478, 113458, 146217, 147254, 170187, 203557, 220881, 292434, 340374, 407114, 441762, 610671, 1221342, 3460469, 6920938, 10381407, 20762814]

約数ペア:

[(1, 20762814), (2, 10381407), (3, 6920938), (6, 3460469), (17, 1221342), (34, 610671), (47, 441762), (51, 407114), (61, 340374), (71, 292434), (94, 220881), (102, 203557), (122, 170187), (141, 147254), (142, 146217), (183, 113458), (213, 97478), (282, 73627), (366, 56729), (426, 48739), (799, 25986), (1037, 20022), (1207, 17202), (1598, 12993), (2074, 10011), (2397, 8662), (2414, 8601), (2867, 7242), (3111, 6674), (3337, 6222), (3621, 5734), (4331, 4794)]