20008456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11317}}^1$

素因数の和:11353

約数の個数: 32

約数和(自身を含む): 42782040

約数和(自身を除く): 22773584

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11317, 22634, 45268, 90536, 147121, 192389, 294242, 384778, 588484, 769556, 1176968, 1539112, 2501057, 5002114, 10004228, 20008456]

約数ペア:

[(1, 20008456), (2, 10004228), (4, 5002114), (8, 2501057), (13, 1539112), (17, 1176968), (26, 769556), (34, 588484), (52, 384778), (68, 294242), (104, 192389), (136, 147121), (221, 90536), (442, 45268), (884, 22634), (1768, 11317)]