20189875497

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1\times {\mathrm{19379}}^1$

素因数の和:19765

約数の個数: 32

約数和(自身を含む): 29715586560

約数和(自身を除く): 9525711063

約数列:

[1, 3, 11, 33, 131, 241, 393, 723, 1441, 2651, 4323, 7953, 19379, 31571, 58137, 94713, 213169, 347281, 639507, 1041843, 2538649, 4670339, 7615947, 14011017, 27925139, 51373729, 83775417, 154121187, 611814409, 1835443227, 6729958499, 20189875497]

約数ペア:

[(1, 20189875497), (3, 6729958499), (11, 1835443227), (33, 611814409), (131, 154121187), (241, 83775417), (393, 51373729), (723, 27925139), (1441, 14011017), (2651, 7615947), (4323, 4670339), (7953, 2538649), (19379, 1041843), (31571, 639507), (58137, 347281), (94713, 213169)]