20829348549

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{238423}}^1$

素因数の和:239017

約数の個数: 24

約数和(自身を含む): 31912575552

約数和(自身を除く): 11083227003

約数列:

[1, 3, 9, 17, 51, 153, 571, 1713, 5139, 9707, 29121, 87363, 238423, 715269, 2145807, 4053191, 12159573, 36478719, 136139533, 408418599, 1225255797, 2314372061, 6943116183, 20829348549]

約数ペア:

[(1, 20829348549), (3, 6943116183), (9, 2314372061), (17, 1225255797), (51, 408418599), (153, 136139533), (571, 36478719), (1713, 12159573), (5139, 4053191), (9707, 2145807), (29121, 715269), (87363, 238423)]