20266235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2473}}^1$

素因数の和:2638

約数の個数: 16

約数和(自身を含む): 26719200

約数和(自身を除く): 6452965

約数列:

[1, 5, 11, 55, 149, 745, 1639, 2473, 8195, 12365, 27203, 136015, 368477, 1842385, 4053247, 20266235]

約数ペア:

[(1, 20266235), (5, 4053247), (11, 1842385), (55, 368477), (149, 136015), (745, 27203), (1639, 12365), (2473, 8195)]