20818252

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57193}}^1$

素因数の和:57217

約数の個数: 24

約数和(自身を含む): 44840096

約数和(自身を除く): 24021844

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57193, 114386, 228772, 400351, 743509, 800702, 1487018, 1601404, 2974036, 5204563, 10409126, 20818252]

約数ペア:

[(1, 20818252), (2, 10409126), (4, 5204563), (7, 2974036), (13, 1601404), (14, 1487018), (26, 800702), (28, 743509), (52, 400351), (91, 228772), (182, 114386), (364, 57193)]