20898522

素因数分解:

$2^1\times 3^2\times {\mathrm{509}}^1\times {\mathrm{2281}}^1$

素因数の和:2798

約数の個数: 24

約数和(自身を含む): 45388980

約数和(自身を除く): 24490458

約数列:

[1, 2, 3, 6, 9, 18, 509, 1018, 1527, 2281, 3054, 4562, 4581, 6843, 9162, 13686, 20529, 41058, 1161029, 2322058, 3483087, 6966174, 10449261, 20898522]

約数ペア:

[(1, 20898522), (2, 10449261), (3, 6966174), (6, 3483087), (9, 2322058), (18, 1161029), (509, 41058), (1018, 20529), (1527, 13686), (2281, 9162), (3054, 6843), (4562, 4581)]