20781342

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{971}}^1$

素因数の和:1049

約数の個数: 48

約数和(自身を含む): 47764080

約数和(自身を除く): 26982738

約数列:

[1, 2, 3, 6, 9, 18, 29, 41, 58, 82, 87, 123, 174, 246, 261, 369, 522, 738, 971, 1189, 1942, 2378, 2913, 3567, 5826, 7134, 8739, 10701, 17478, 21402, 28159, 39811, 56318, 79622, 84477, 119433, 168954, 238866, 253431, 358299, 506862, 716598, 1154519, 2309038, 3463557, 6927114, 10390671, 20781342]

約数ペア:

[(1, 20781342), (2, 10390671), (3, 6927114), (6, 3463557), (9, 2309038), (18, 1154519), (29, 716598), (41, 506862), (58, 358299), (82, 253431), (87, 238866), (123, 168954), (174, 119433), (246, 84477), (261, 79622), (369, 56318), (522, 39811), (738, 28159), (971, 21402), (1189, 17478), (1942, 10701), (2378, 8739), (2913, 7134), (3567, 5826)]