20435824

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:337

約数の個数: 40

約数和(自身を含む): 40711680

約数和(自身を除く): 20275856

約数列:

[1, 2, 4, 8, 16, 89, 113, 127, 178, 226, 254, 356, 452, 508, 712, 904, 1016, 1424, 1808, 2032, 10057, 11303, 14351, 20114, 22606, 28702, 40228, 45212, 57404, 80456, 90424, 114808, 160912, 180848, 229616, 1277239, 2554478, 5108956, 10217912, 20435824]

約数ペア:

[(1, 20435824), (2, 10217912), (4, 5108956), (8, 2554478), (16, 1277239), (89, 229616), (113, 180848), (127, 160912), (178, 114808), (226, 90424), (254, 80456), (356, 57404), (452, 45212), (508, 40228), (712, 28702), (904, 22606), (1016, 20114), (1424, 14351), (1808, 11303), (2032, 10057)]