20176783408

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:395

約数の個数: 160

約数和(自身を含む): 42657269760

約数和(自身を除く): 22480486352

約数列:

[1, 2, 4, 8, 16, 29, 47, 58, 71, 83, 94, 116, 142, 157, 166, 188, 232, 284, 314, 332, 376, 464, 568, 628, 664, 752, 1136, 1256, 1328, 1363, 2059, 2407, 2512, 2726, 3337, 3901, 4118, 4553, 4814, 5452, 5893, 6674, 7379, 7802, 8236, 9106, 9628, 10904, 11147, 11786, 13031, 13348, 14758, 15604, 16472, 18212, 19256, 21808, 22294, 23572, 26062, 26696, 29516, 31208, 32944, 36424, 38512, 44588, 47144, 52124, 53392, 59032, 62416, 72848, 89176, 94288, 96773, 104248, 113129, 118064, 170897, 178352, 193546, 208496, 213991, 226258, 276971, 323263, 341794, 377899, 387092, 427982, 452516, 523909, 553942, 612457, 646526, 683588, 755798, 774184, 855964, 905032, 925201, 1047818, 1107884, 1224914, 1293052, 1367176, 1511596, 1548368, 1711928, 1810064, 1850402, 2095636, 2215768, 2449828, 2586104, 2734352, 3023192, 3423856, 3700804, 4191272, 4431536, 4899656, 5172208, 6046384, 7401608, 8032159, 8382544, 9799312, 14803216, 15193361, 16064318, 17761253, 26830829, 30386722, 32128636, 35522506, 43484447, 53661658, 60773444, 64257272, 71045012, 86968894, 107323316, 121546888, 128514544, 142090024, 173937788, 214646632, 243093776, 284180048, 347875576, 429293264, 695751152, 1261048963, 2522097926, 5044195852, 10088391704, 20176783408]

約数ペア:

[(1, 20176783408), (2, 10088391704), (4, 5044195852), (8, 2522097926), (16, 1261048963), (29, 695751152), (47, 429293264), (58, 347875576), (71, 284180048), (83, 243093776), (94, 214646632), (116, 173937788), (142, 142090024), (157, 128514544), (166, 121546888), (188, 107323316), (232, 86968894), (284, 71045012), (314, 64257272), (332, 60773444), (376, 53661658), (464, 43484447), (568, 35522506), (628, 32128636), (664, 30386722), (752, 26830829), (1136, 17761253), (1256, 16064318), (1328, 15193361), (1363, 14803216), (2059, 9799312), (2407, 8382544), (2512, 8032159), (2726, 7401608), (3337, 6046384), (3901, 5172208), (4118, 4899656), (4553, 4431536), (4814, 4191272), (5452, 3700804), (5893, 3423856), (6674, 3023192), (7379, 2734352), (7802, 2586104), (8236, 2449828), (9106, 2215768), (9628, 2095636), (10904, 1850402), (11147, 1810064), (11786, 1711928), (13031, 1548368), (13348, 1511596), (14758, 1367176), (15604, 1293052), (16472, 1224914), (18212, 1107884), (19256, 1047818), (21808, 925201), (22294, 905032), (23572, 855964), (26062, 774184), (26696, 755798), (29516, 683588), (31208, 646526), (32944, 612457), (36424, 553942), (38512, 523909), (44588, 452516), (47144, 427982), (52124, 387092), (53392, 377899), (59032, 341794), (62416, 323263), (72848, 276971), (89176, 226258), (94288, 213991), (96773, 208496), (104248, 193546), (113129, 178352), (118064, 170897)]