20871036228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3145123}}^1$

素因数の和:3145216

約数の個数: 48

約数和(自身を含む): 56360622080

約数和(自身を除く): 35489585852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 474, 553, 948, 1106, 1659, 2212, 3318, 6636, 3145123, 6290246, 9435369, 12580492, 18870738, 22015861, 37741476, 44031722, 66047583, 88063444, 132095166, 248464717, 264190332, 496929434, 745394151, 993858868, 1490788302, 1739253019, 2981576604, 3478506038, 5217759057, 6957012076, 10435518114, 20871036228]

約数ペア:

[(1, 20871036228), (2, 10435518114), (3, 6957012076), (4, 5217759057), (6, 3478506038), (7, 2981576604), (12, 1739253019), (14, 1490788302), (21, 993858868), (28, 745394151), (42, 496929434), (79, 264190332), (84, 248464717), (158, 132095166), (237, 88063444), (316, 66047583), (474, 44031722), (553, 37741476), (948, 22015861), (1106, 18870738), (1659, 12580492), (2212, 9435369), (3318, 6290246), (6636, 3145123)]