20280521331

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{4759}}^1$

素因数の和:4985

約数の個数: 96

約数和(自身を含む): 37211166720

約数和(自身を除く): 16930645389

約数列:

[1, 3, 7, 9, 17, 21, 23, 51, 63, 69, 119, 153, 161, 173, 207, 357, 391, 483, 519, 1071, 1173, 1211, 1449, 1557, 2737, 2941, 3519, 3633, 3979, 4759, 8211, 8823, 10899, 11937, 14277, 20587, 24633, 26469, 27853, 33313, 35811, 42831, 61761, 67643, 80903, 83559, 99939, 109457, 185283, 202929, 242709, 250677, 299817, 328371, 473501, 566321, 608787, 728127, 766199, 823307, 985113, 1420503, 1698963, 1860769, 2298597, 2469921, 4261509, 5096889, 5582307, 5763149, 6895791, 7409763, 13025383, 13996219, 16746921, 17289447, 18936061, 39076149, 41988657, 51868341, 56808183, 97973533, 117228447, 125965971, 132552427, 170424549, 293920599, 321913037, 397657281, 881761797, 965739111, 1192971843, 2253391259, 2897217333, 6760173777, 20280521331]

約数ペア:

[(1, 20280521331), (3, 6760173777), (7, 2897217333), (9, 2253391259), (17, 1192971843), (21, 965739111), (23, 881761797), (51, 397657281), (63, 321913037), (69, 293920599), (119, 170424549), (153, 132552427), (161, 125965971), (173, 117228447), (207, 97973533), (357, 56808183), (391, 51868341), (483, 41988657), (519, 39076149), (1071, 18936061), (1173, 17289447), (1211, 16746921), (1449, 13996219), (1557, 13025383), (2737, 7409763), (2941, 6895791), (3519, 5763149), (3633, 5582307), (3979, 5096889), (4759, 4261509), (8211, 2469921), (8823, 2298597), (10899, 1860769), (11937, 1698963), (14277, 1420503), (20587, 985113), (24633, 823307), (26469, 766199), (27853, 728127), (33313, 608787), (35811, 566321), (42831, 473501), (61761, 328371), (67643, 299817), (80903, 250677), (83559, 242709), (99939, 202929), (109457, 185283)]