20618028

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 55936608

約数和(自身を除く): 35318580

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 37, 46, 69, 74, 92, 111, 138, 148, 207, 222, 276, 333, 414, 444, 666, 673, 828, 851, 1332, 1346, 1702, 2019, 2553, 2692, 3404, 4038, 5106, 6057, 7659, 8076, 10212, 12114, 15318, 15479, 24228, 24901, 30636, 30958, 46437, 49802, 61916, 74703, 92874, 99604, 139311, 149406, 185748, 224109, 278622, 298812, 448218, 557244, 572723, 896436, 1145446, 1718169, 2290892, 3436338, 5154507, 6872676, 10309014, 20618028]

約数ペア:

[(1, 20618028), (2, 10309014), (3, 6872676), (4, 5154507), (6, 3436338), (9, 2290892), (12, 1718169), (18, 1145446), (23, 896436), (36, 572723), (37, 557244), (46, 448218), (69, 298812), (74, 278622), (92, 224109), (111, 185748), (138, 149406), (148, 139311), (207, 99604), (222, 92874), (276, 74703), (333, 61916), (414, 49802), (444, 46437), (666, 30958), (673, 30636), (828, 24901), (851, 24228), (1332, 15479), (1346, 15318), (1702, 12114), (2019, 10212), (2553, 8076), (2692, 7659), (3404, 6057), (4038, 5106)]