20979936

素因数分解:

$2^5\times 3^2\times {\mathrm{97}}^1\times {\mathrm{751}}^1$

素因数の和:864

約数の個数: 72

約数和(自身を含む): 60357024

約数和(自身を除く): 39377088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 97, 144, 194, 288, 291, 388, 582, 751, 776, 873, 1164, 1502, 1552, 1746, 2253, 2328, 3004, 3104, 3492, 4506, 4656, 6008, 6759, 6984, 9012, 9312, 12016, 13518, 13968, 18024, 24032, 27036, 27936, 36048, 54072, 72096, 72847, 108144, 145694, 216288, 218541, 291388, 437082, 582776, 655623, 874164, 1165552, 1311246, 1748328, 2331104, 2622492, 3496656, 5244984, 6993312, 10489968, 20979936]

約数ペア:

[(1, 20979936), (2, 10489968), (3, 6993312), (4, 5244984), (6, 3496656), (8, 2622492), (9, 2331104), (12, 1748328), (16, 1311246), (18, 1165552), (24, 874164), (32, 655623), (36, 582776), (48, 437082), (72, 291388), (96, 218541), (97, 216288), (144, 145694), (194, 108144), (288, 72847), (291, 72096), (388, 54072), (582, 36048), (751, 27936), (776, 27036), (873, 24032), (1164, 18024), (1502, 13968), (1552, 13518), (1746, 12016), (2253, 9312), (2328, 9012), (3004, 6984), (3104, 6759), (3492, 6008), (4506, 4656)]