20005901173

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1\times {\mathrm{457}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 21712717440

約数和(自身を除く): 1706816267

約数列:

[1, 19, 61, 107, 353, 457, 1159, 2033, 6527, 6707, 8683, 21533, 27877, 37771, 48899, 124013, 161321, 409127, 529663, 717649, 929081, 2304031, 2982839, 3065099, 9840581, 17261347, 43776589, 56673941, 186971039, 327965593, 1052942167, 20005901173]

約数ペア:

[(1, 20005901173), (19, 1052942167), (61, 327965593), (107, 186971039), (353, 56673941), (457, 43776589), (1159, 17261347), (2033, 9840581), (6527, 3065099), (6707, 2982839), (8683, 2304031), (21533, 929081), (27877, 717649), (37771, 529663), (48899, 409127), (124013, 161321)]