201820820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{4051}}^1$

素因数の和:4160

約数の個数: 48

約数和(自身を含む): 441116928

約数和(自身を除く): 239296108

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 470, 530, 940, 1060, 2491, 4051, 4982, 8102, 9964, 12455, 16204, 20255, 24910, 40510, 49820, 81020, 190397, 214703, 380794, 429406, 761588, 858812, 951985, 1073515, 1903970, 2147030, 3807940, 4294060, 10091041, 20182082, 40364164, 50455205, 100910410, 201820820]

約数ペア:

[(1, 201820820), (2, 100910410), (4, 50455205), (5, 40364164), (10, 20182082), (20, 10091041), (47, 4294060), (53, 3807940), (94, 2147030), (106, 1903970), (188, 1073515), (212, 951985), (235, 858812), (265, 761588), (470, 429406), (530, 380794), (940, 214703), (1060, 190397), (2491, 81020), (4051, 49820), (4982, 40510), (8102, 24910), (9964, 20255), (12455, 16204)]