20158487732

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^2\times {\mathrm{79669}}^1$

素因数の和:79812

約数の個数: 36

約数和(自身を含む): 37975342860

約数和(自身を除く): 17816855128

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 1037, 2074, 3721, 4148, 7442, 14884, 63257, 79669, 126514, 159338, 253028, 318676, 1354373, 2708746, 4859809, 5417492, 9719618, 19439236, 82616753, 165233506, 296448349, 330467012, 592896698, 1185793396, 5039621933, 10079243866, 20158487732]

約数ペア:

[(1, 20158487732), (2, 10079243866), (4, 5039621933), (17, 1185793396), (34, 592896698), (61, 330467012), (68, 296448349), (122, 165233506), (244, 82616753), (1037, 19439236), (2074, 9719618), (3721, 5417492), (4148, 4859809), (7442, 2708746), (14884, 1354373), (63257, 318676), (79669, 253028), (126514, 159338)]