20197780765

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{751}}^1\times {\mathrm{1039}}^1$

素因数の和:1993

約数の個数: 32

約数和(自身を含む): 25226772480

約数和(自身を除く): 5028991715

約数列:

[1, 5, 31, 155, 167, 751, 835, 1039, 3755, 5177, 5195, 23281, 25885, 32209, 116405, 125417, 161045, 173513, 627085, 780289, 867565, 3887927, 3901445, 5378903, 19439635, 24188959, 26894515, 120944795, 130308263, 651541315, 4039556153, 20197780765]

約数ペア:

[(1, 20197780765), (5, 4039556153), (31, 651541315), (155, 130308263), (167, 120944795), (751, 26894515), (835, 24188959), (1039, 19439635), (3755, 5378903), (5177, 3901445), (5195, 3887927), (23281, 867565), (25885, 780289), (32209, 627085), (116405, 173513), (125417, 161045)]