20084820905

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{18119}}^1$

素因数の和:18313

約数の個数: 32

約数和(自身を含む): 25362201600

約数和(自身を除く): 5277380695

約数列:

[1, 5, 47, 53, 89, 235, 265, 445, 2491, 4183, 4717, 12455, 18119, 20915, 23585, 90595, 221699, 851593, 960307, 1108495, 1612591, 4257965, 4801535, 8062955, 45134429, 75791777, 85467323, 225672145, 378958885, 427336615, 4016964181, 20084820905]

約数ペア:

[(1, 20084820905), (5, 4016964181), (47, 427336615), (53, 378958885), (89, 225672145), (235, 85467323), (265, 75791777), (445, 45134429), (2491, 8062955), (4183, 4801535), (4717, 4257965), (12455, 1612591), (18119, 1108495), (20915, 960307), (23585, 851593), (90595, 221699)]