20723778895

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{30497}}^1$

素因数の和:30855

約数の個数: 32

約数和(自身を含む): 27404282880

約数和(自身を除く): 6680503985

約数列:

[1, 5, 19, 23, 95, 115, 311, 437, 1555, 2185, 5909, 7153, 29545, 30497, 35765, 135907, 152485, 579443, 679535, 701431, 2897215, 3507155, 9484567, 13327189, 47422835, 66635945, 180206773, 218145041, 901033865, 1090725205, 4144755779, 20723778895]

約数ペア:

[(1, 20723778895), (5, 4144755779), (19, 1090725205), (23, 901033865), (95, 218145041), (115, 180206773), (311, 66635945), (437, 47422835), (1555, 13327189), (2185, 9484567), (5909, 3507155), (7153, 2897215), (29545, 701431), (30497, 679535), (35765, 579443), (135907, 152485)]