20291836

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{821}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 36733536

約数和(自身を除く): 16441700

約数列:

[1, 2, 4, 37, 74, 148, 167, 334, 668, 821, 1642, 3284, 6179, 12358, 24716, 30377, 60754, 121508, 137107, 274214, 548428, 5072959, 10145918, 20291836]

約数ペア:

[(1, 20291836), (2, 10145918), (4, 5072959), (37, 548428), (74, 274214), (148, 137107), (167, 121508), (334, 60754), (668, 30377), (821, 24716), (1642, 12358), (3284, 6179)]