20782388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{1669}}^1$

素因数の和:1967

約数の個数: 24

約数和(自身を含む): 39839520

約数和(自身を除く): 19057132

約数列:

[1, 2, 4, 11, 22, 44, 283, 566, 1132, 1669, 3113, 3338, 6226, 6676, 12452, 18359, 36718, 73436, 472327, 944654, 1889308, 5195597, 10391194, 20782388]

約数ペア:

[(1, 20782388), (2, 10391194), (4, 5195597), (11, 1889308), (22, 944654), (44, 472327), (283, 73436), (566, 36718), (1132, 18359), (1669, 12452), (3113, 6676), (3338, 6226)]