20172856605

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{4721}}^1$

素因数の和:4835

約数の個数: 128

約数和(自身を含む): 39166156800

約数和(自身を除く): 18993300195

約数列:

[1, 3, 5, 11, 15, 19, 29, 33, 47, 55, 57, 87, 95, 141, 145, 165, 209, 235, 285, 319, 435, 517, 551, 627, 705, 893, 957, 1045, 1363, 1551, 1595, 1653, 2585, 2679, 2755, 3135, 4089, 4465, 4721, 4785, 6061, 6815, 7755, 8265, 9823, 13395, 14163, 14993, 18183, 20445, 23605, 25897, 29469, 30305, 44979, 49115, 51931, 70815, 74965, 77691, 89699, 90915, 129485, 136909, 147345, 155793, 221887, 224895, 259655, 269097, 284867, 388455, 410727, 448495, 665661, 684545, 778965, 854601, 986689, 1109435, 1345485, 1424335, 1505999, 2053635, 2440757, 2601271, 2960067, 3328305, 4215853, 4273005, 4517997, 4933445, 6434723, 7322271, 7529995, 7803813, 12203785, 12647559, 13006355, 14800335, 19304169, 21079265, 22589985, 28613981, 32173615, 36611355, 39019065, 46374383, 63237795, 70781953, 85841943, 96520845, 122259737, 139123149, 143069905, 212345859, 231871915, 353909765, 366779211, 429209715, 611298685, 695615745, 1061729295, 1344857107, 1833896055, 4034571321, 6724285535, 20172856605]

約数ペア:

[(1, 20172856605), (3, 6724285535), (5, 4034571321), (11, 1833896055), (15, 1344857107), (19, 1061729295), (29, 695615745), (33, 611298685), (47, 429209715), (55, 366779211), (57, 353909765), (87, 231871915), (95, 212345859), (141, 143069905), (145, 139123149), (165, 122259737), (209, 96520845), (235, 85841943), (285, 70781953), (319, 63237795), (435, 46374383), (517, 39019065), (551, 36611355), (627, 32173615), (705, 28613981), (893, 22589985), (957, 21079265), (1045, 19304169), (1363, 14800335), (1551, 13006355), (1595, 12647559), (1653, 12203785), (2585, 7803813), (2679, 7529995), (2755, 7322271), (3135, 6434723), (4089, 4933445), (4465, 4517997), (4721, 4273005), (4785, 4215853), (6061, 3328305), (6815, 2960067), (7755, 2601271), (8265, 2440757), (9823, 2053635), (13395, 1505999), (14163, 1424335), (14993, 1345485), (18183, 1109435), (20445, 986689), (23605, 854601), (25897, 778965), (29469, 684545), (30305, 665661), (44979, 448495), (49115, 410727), (51931, 388455), (70815, 284867), (74965, 269097), (77691, 259655), (89699, 224895), (90915, 221887), (129485, 155793), (136909, 147345)]