20512695564

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{53267}}^1$

素因数の和:53859

約数の個数: 72

約数和(自身を含む): 54678536640

約数和(自身を除く): 34165841076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 563, 684, 1126, 1689, 2252, 3378, 5067, 6756, 10134, 10697, 20268, 21394, 32091, 42788, 53267, 64182, 96273, 106534, 128364, 159801, 192546, 213068, 319602, 385092, 479403, 639204, 958806, 1012073, 1917612, 2024146, 3036219, 4048292, 6072438, 9108657, 12144876, 18217314, 29989321, 36434628, 59978642, 89967963, 119957284, 179935926, 269903889, 359871852, 539807778, 569797099, 1079615556, 1139594198, 1709391297, 2279188396, 3418782594, 5128173891, 6837565188, 10256347782, 20512695564]

約数ペア:

[(1, 20512695564), (2, 10256347782), (3, 6837565188), (4, 5128173891), (6, 3418782594), (9, 2279188396), (12, 1709391297), (18, 1139594198), (19, 1079615556), (36, 569797099), (38, 539807778), (57, 359871852), (76, 269903889), (114, 179935926), (171, 119957284), (228, 89967963), (342, 59978642), (563, 36434628), (684, 29989321), (1126, 18217314), (1689, 12144876), (2252, 9108657), (3378, 6072438), (5067, 4048292), (6756, 3036219), (10134, 2024146), (10697, 1917612), (20268, 1012073), (21394, 958806), (32091, 639204), (42788, 479403), (53267, 385092), (64182, 319602), (96273, 213068), (106534, 192546), (128364, 159801)]