20206866890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{769}}^1\times {\mathrm{859}}^1$

素因数の和:1684

約数の個数: 128

約数和(自身を含む): 45771264000

約数和(自身を除く): 25564397110

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 35, 38, 46, 70, 95, 115, 133, 161, 190, 230, 266, 322, 437, 665, 769, 805, 859, 874, 1330, 1538, 1610, 1718, 2185, 3059, 3845, 4295, 4370, 5383, 6013, 6118, 7690, 8590, 10766, 12026, 14611, 15295, 16321, 17687, 19757, 26915, 29222, 30065, 30590, 32642, 35374, 39514, 53830, 60130, 73055, 81605, 88435, 98785, 102277, 114247, 123809, 138299, 146110, 163210, 176870, 197570, 204554, 228494, 247618, 276598, 336053, 375383, 511385, 571235, 619045, 660571, 672106, 691495, 750766, 1022770, 1142470, 1238090, 1321142, 1382990, 1680265, 1876915, 2352371, 2627681, 3302855, 3360530, 3753830, 4623997, 4704742, 5255362, 6605710, 9247994, 11761855, 12550849, 13138405, 15193133, 23119985, 23523710, 25101698, 26276810, 30386266, 46239970, 62754245, 75965665, 87855943, 106351931, 125508490, 151931330, 175711886, 212703862, 288669527, 439279715, 531759655, 577339054, 878559430, 1063519310, 1443347635, 2020686689, 2886695270, 4041373378, 10103433445, 20206866890]

約数ペア:

[(1, 20206866890), (2, 10103433445), (5, 4041373378), (7, 2886695270), (10, 2020686689), (14, 1443347635), (19, 1063519310), (23, 878559430), (35, 577339054), (38, 531759655), (46, 439279715), (70, 288669527), (95, 212703862), (115, 175711886), (133, 151931330), (161, 125508490), (190, 106351931), (230, 87855943), (266, 75965665), (322, 62754245), (437, 46239970), (665, 30386266), (769, 26276810), (805, 25101698), (859, 23523710), (874, 23119985), (1330, 15193133), (1538, 13138405), (1610, 12550849), (1718, 11761855), (2185, 9247994), (3059, 6605710), (3845, 5255362), (4295, 4704742), (4370, 4623997), (5383, 3753830), (6013, 3360530), (6118, 3302855), (7690, 2627681), (8590, 2352371), (10766, 1876915), (12026, 1680265), (14611, 1382990), (15295, 1321142), (16321, 1238090), (17687, 1142470), (19757, 1022770), (26915, 750766), (29222, 691495), (30065, 672106), (30590, 660571), (32642, 619045), (35374, 571235), (39514, 511385), (53830, 375383), (60130, 336053), (73055, 276598), (81605, 247618), (88435, 228494), (98785, 204554), (102277, 197570), (114247, 176870), (123809, 163210), (138299, 146110)]