20403979768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7896277}}^1$

素因数の和:7896319

約数の個数: 32

約数和(自身を含む): 42639901200

約数和(自身を除く): 22235921432

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7896277, 15792554, 31585108, 63170216, 134236709, 150029263, 268473418, 300058526, 536946836, 600117052, 1073893672, 1200234104, 2550497471, 5100994942, 10201989884, 20403979768]

約数ペア:

[(1, 20403979768), (2, 10201989884), (4, 5100994942), (8, 2550497471), (17, 1200234104), (19, 1073893672), (34, 600117052), (38, 536946836), (68, 300058526), (76, 268473418), (136, 150029263), (152, 134236709), (323, 63170216), (646, 31585108), (1292, 15792554), (2584, 7896277)]