20478522092

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1\times {\mathrm{41719}}^1$

素因数の和:42150

約数の個数: 48

約数和(自身を含む): 41941616640

約数和(自身を除く): 21463094548

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 373, 658, 746, 1316, 1492, 2611, 5222, 10444, 17531, 35062, 41719, 70124, 83438, 122717, 166876, 245434, 292033, 490868, 584066, 1168132, 1960793, 3921586, 7843172, 13725551, 15561187, 27451102, 31122374, 54902204, 62244748, 108928309, 217856618, 435713236, 731375789, 1462751578, 2925503156, 5119630523, 10239261046, 20478522092]

約数ペア:

[(1, 20478522092), (2, 10239261046), (4, 5119630523), (7, 2925503156), (14, 1462751578), (28, 731375789), (47, 435713236), (94, 217856618), (188, 108928309), (329, 62244748), (373, 54902204), (658, 31122374), (746, 27451102), (1316, 15561187), (1492, 13725551), (2611, 7843172), (5222, 3921586), (10444, 1960793), (17531, 1168132), (35062, 584066), (41719, 490868), (70124, 292033), (83438, 245434), (122717, 166876)]