20599692975

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1759}}^1$

素因数の和:1902

約数の個数: 144

約数和(自身を含む): 40309800960

約数和(自身を除く): 19710107985

約数列:

[1, 3, 5, 9, 15, 23, 25, 31, 45, 69, 73, 75, 93, 115, 155, 207, 219, 225, 279, 345, 365, 465, 575, 657, 713, 775, 1035, 1095, 1395, 1679, 1725, 1759, 1825, 2139, 2263, 2325, 3285, 3565, 5037, 5175, 5277, 5475, 6417, 6789, 6975, 8395, 8795, 10695, 11315, 15111, 15831, 16425, 17825, 20367, 25185, 26385, 32085, 33945, 40457, 41975, 43975, 52049, 53475, 54529, 56575, 75555, 79155, 101835, 121371, 125925, 128407, 131925, 156147, 160425, 163587, 169725, 202285, 260245, 272645, 364113, 377775, 385221, 395775, 468441, 490761, 509175, 606855, 642035, 780735, 817935, 1011425, 1155663, 1254167, 1301225, 1363225, 1820565, 1926105, 2342205, 2453805, 2953361, 3034275, 3210175, 3762501, 3903675, 3980617, 4089675, 5778315, 6270835, 8860083, 9102825, 9630525, 11287503, 11711025, 11941851, 12269025, 14766805, 18812505, 19903085, 26580249, 28891575, 31354175, 35825553, 44300415, 56437515, 59709255, 73834025, 91554191, 94062525, 99515425, 132901245, 179127765, 221502075, 274662573, 282187575, 298546275, 457770955, 664506225, 823987719, 895638825, 1373312865, 2288854775, 4119938595, 6866564325, 20599692975]

約数ペア:

[(1, 20599692975), (3, 6866564325), (5, 4119938595), (9, 2288854775), (15, 1373312865), (23, 895638825), (25, 823987719), (31, 664506225), (45, 457770955), (69, 298546275), (73, 282187575), (75, 274662573), (93, 221502075), (115, 179127765), (155, 132901245), (207, 99515425), (219, 94062525), (225, 91554191), (279, 73834025), (345, 59709255), (365, 56437515), (465, 44300415), (575, 35825553), (657, 31354175), (713, 28891575), (775, 26580249), (1035, 19903085), (1095, 18812505), (1395, 14766805), (1679, 12269025), (1725, 11941851), (1759, 11711025), (1825, 11287503), (2139, 9630525), (2263, 9102825), (2325, 8860083), (3285, 6270835), (3565, 5778315), (5037, 4089675), (5175, 3980617), (5277, 3903675), (5475, 3762501), (6417, 3210175), (6789, 3034275), (6975, 2953361), (8395, 2453805), (8795, 2342205), (10695, 1926105), (11315, 1820565), (15111, 1363225), (15831, 1301225), (16425, 1254167), (17825, 1155663), (20367, 1011425), (25185, 817935), (26385, 780735), (32085, 642035), (33945, 606855), (40457, 509175), (41975, 490761), (43975, 468441), (52049, 395775), (53475, 385221), (54529, 377775), (56575, 364113), (75555, 272645), (79155, 260245), (101835, 202285), (121371, 169725), (125925, 163587), (128407, 160425), (131925, 156147)]