20100112

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17209}}^1$

素因数の和:17290

約数の個数: 20

約数和(自身を含む): 39479740

約数和(自身を除く): 19379628

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17209, 34418, 68836, 137672, 275344, 1256257, 2512514, 5025028, 10050056, 20100112]

約数ペア:

[(1, 20100112), (2, 10050056), (4, 5025028), (8, 2512514), (16, 1256257), (73, 275344), (146, 137672), (292, 68836), (584, 34418), (1168, 17209)]