20648124

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81937}}^1$

素因数の和:81954

約数の個数: 36

約数和(自身を含む): 59650864

約数和(自身を除く): 39002740

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81937, 163874, 245811, 327748, 491622, 573559, 737433, 983244, 1147118, 1474866, 1720677, 2294236, 2949732, 3441354, 5162031, 6882708, 10324062, 20648124]

約数ペア:

[(1, 20648124), (2, 10324062), (3, 6882708), (4, 5162031), (6, 3441354), (7, 2949732), (9, 2294236), (12, 1720677), (14, 1474866), (18, 1147118), (21, 983244), (28, 737433), (36, 573559), (42, 491622), (63, 327748), (84, 245811), (126, 163874), (252, 81937)]