20695256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8009}}^1$

素因数の和:8051

約数の個数: 32

約数和(自身を含む): 43254000

約数和(自身を除く): 22558744

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 8009, 16018, 32036, 64072, 136153, 152171, 272306, 304342, 544612, 608684, 1089224, 1217368, 2586907, 5173814, 10347628, 20695256]

約数ペア:

[(1, 20695256), (2, 10347628), (4, 5173814), (8, 2586907), (17, 1217368), (19, 1089224), (34, 608684), (38, 544612), (68, 304342), (76, 272306), (136, 152171), (152, 136153), (323, 64072), (646, 32036), (1292, 16018), (2584, 8009)]