20207876625

素因数分解:

$3^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{3631}}^1$

素因数の和:3769

約数の個数: 128

約数和(自身を含む): 39978731520

約数和(自身を除く): 19770854895

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 97, 125, 135, 153, 225, 255, 291, 375, 425, 459, 485, 675, 765, 873, 1125, 1275, 1455, 1649, 2125, 2295, 2425, 2619, 3375, 3631, 3825, 4365, 4947, 6375, 7275, 8245, 10893, 11475, 12125, 13095, 14841, 18155, 19125, 21825, 24735, 32679, 36375, 41225, 44523, 54465, 57375, 61727, 65475, 74205, 90775, 98037, 109125, 123675, 163395, 185181, 206125, 222615, 272325, 308635, 327375, 352207, 371025, 453875, 490185, 555543, 618375, 816975, 925905, 1056621, 1113075, 1361625, 1543175, 1666629, 1761035, 1855125, 2450925, 2777715, 3169863, 4084875, 4629525, 5283105, 5565375, 5987519, 7715875, 8333145, 8805175, 9509589, 12254625, 13888575, 15849315, 17962557, 23147625, 26415525, 29937595, 41665725, 44025875, 47547945, 53887671, 69442875, 79246575, 89812785, 132077625, 149687975, 161663013, 208328625, 237739725, 269438355, 396232875, 449063925, 748439875, 808315065, 1188698625, 1347191775, 2245319625, 4041575325, 6735958875, 20207876625]

約数ペア:

[(1, 20207876625), (3, 6735958875), (5, 4041575325), (9, 2245319625), (15, 1347191775), (17, 1188698625), (25, 808315065), (27, 748439875), (45, 449063925), (51, 396232875), (75, 269438355), (85, 237739725), (97, 208328625), (125, 161663013), (135, 149687975), (153, 132077625), (225, 89812785), (255, 79246575), (291, 69442875), (375, 53887671), (425, 47547945), (459, 44025875), (485, 41665725), (675, 29937595), (765, 26415525), (873, 23147625), (1125, 17962557), (1275, 15849315), (1455, 13888575), (1649, 12254625), (2125, 9509589), (2295, 8805175), (2425, 8333145), (2619, 7715875), (3375, 5987519), (3631, 5565375), (3825, 5283105), (4365, 4629525), (4947, 4084875), (6375, 3169863), (7275, 2777715), (8245, 2450925), (10893, 1855125), (11475, 1761035), (12125, 1666629), (13095, 1543175), (14841, 1361625), (18155, 1113075), (19125, 1056621), (21825, 925905), (24735, 816975), (32679, 618375), (36375, 555543), (41225, 490185), (44523, 453875), (54465, 371025), (57375, 352207), (61727, 327375), (65475, 308635), (74205, 272325), (90775, 222615), (98037, 206125), (109125, 185181), (123675, 163395)]