20515566

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1447}}^1$

素因数の和:1608

約数の個数: 32

約数和(自身を含む): 43787520

約数和(自身を除く): 23271954

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 139, 278, 417, 834, 1447, 2363, 2894, 4341, 4726, 7089, 8682, 14178, 24599, 49198, 73797, 147594, 201133, 402266, 603399, 1206798, 3419261, 6838522, 10257783, 20515566]

約数ペア:

[(1, 20515566), (2, 10257783), (3, 6838522), (6, 3419261), (17, 1206798), (34, 603399), (51, 402266), (102, 201133), (139, 147594), (278, 73797), (417, 49198), (834, 24599), (1447, 14178), (2363, 8682), (2894, 7089), (4341, 4726)]