20323329

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 30858240

約数和(自身を除く): 10534911

約数列:

[1, 3, 13, 23, 39, 69, 139, 163, 299, 417, 489, 897, 1807, 2119, 3197, 3749, 5421, 6357, 9591, 11247, 22657, 41561, 48737, 67971, 124683, 146211, 294541, 521111, 883623, 1563333, 6774443, 20323329]

約数ペア:

[(1, 20323329), (3, 6774443), (13, 1563333), (23, 883623), (39, 521111), (69, 294541), (139, 146211), (163, 124683), (299, 67971), (417, 48737), (489, 41561), (897, 22657), (1807, 11247), (2119, 9591), (3197, 6357), (3749, 5421)]