20342988

素因数分解:

$2^2\times 3^5\times {\mathrm{20929}}^1$

素因数の和:20948

約数の個数: 36

約数和(自身を含む): 53329640

約数和(自身を除く): 32986652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 20929, 41858, 62787, 83716, 125574, 188361, 251148, 376722, 565083, 753444, 1130166, 1695249, 2260332, 3390498, 5085747, 6780996, 10171494, 20342988]

約数ペア:

[(1, 20342988), (2, 10171494), (3, 6780996), (4, 5085747), (6, 3390498), (9, 2260332), (12, 1695249), (18, 1130166), (27, 753444), (36, 565083), (54, 376722), (81, 251148), (108, 188361), (162, 125574), (243, 83716), (324, 62787), (486, 41858), (972, 20929)]