20528808

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{16139}}^1$

素因数の和:16201

約数の個数: 32

約数和(自身を含む): 52293600

約数和(自身を除く): 31764792

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 16139, 32278, 48417, 64556, 96834, 129112, 193668, 387336, 855367, 1710734, 2566101, 3421468, 5132202, 6842936, 10264404, 20528808]

約数ペア:

[(1, 20528808), (2, 10264404), (3, 6842936), (4, 5132202), (6, 3421468), (8, 2566101), (12, 1710734), (24, 855367), (53, 387336), (106, 193668), (159, 129112), (212, 96834), (318, 64556), (424, 48417), (636, 32278), (1272, 16139)]