20698510616

素因数分解:

$2^3\times 7^3\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:711

約数の個数: 192

約数和(自身を含む): 49277184000

約数和(自身を除く): 28578673384

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 43, 49, 56, 68, 86, 98, 119, 136, 172, 196, 238, 289, 301, 343, 344, 392, 476, 578, 602, 607, 686, 731, 833, 952, 1156, 1204, 1214, 1372, 1462, 1666, 2023, 2107, 2312, 2408, 2428, 2744, 2924, 3332, 4046, 4214, 4249, 4856, 5117, 5831, 5848, 6664, 8092, 8428, 8498, 10234, 10319, 11662, 12427, 14161, 14749, 16184, 16856, 16996, 20468, 20638, 23324, 24854, 26101, 28322, 29498, 29743, 33992, 35819, 40936, 41276, 46648, 49708, 52202, 56644, 58996, 59486, 71638, 72233, 82552, 86989, 99127, 99416, 104404, 113288, 117992, 118972, 143276, 144466, 173978, 175423, 182707, 198254, 208201, 208808, 237944, 250733, 286552, 288932, 347956, 350846, 365414, 396508, 416402, 443717, 501466, 505631, 577864, 608923, 695912, 701692, 730828, 793016, 832804, 887434, 1002932, 1011262, 1217846, 1227961, 1278949, 1403384, 1461656, 1665608, 1774868, 2005864, 2022524, 2435692, 2455922, 2557898, 3106019, 3539417, 3549736, 4045048, 4262461, 4871384, 4911844, 5115796, 6212038, 7078834, 7543189, 8524922, 8595727, 8952643, 9823688, 10231592, 12424076, 14157668, 15086378, 17049844, 17191454, 17905286, 21742133, 24848152, 28315336, 30172756, 34099688, 34382908, 35810572, 43484266, 52802323, 60170089, 60345512, 68765816, 71621144, 86968532, 105604646, 120340178, 152194931, 173937064, 211209292, 240680356, 304389862, 369616261, 422418584, 481360712, 608779724, 739232522, 1217559448, 1478465044, 2587313827, 2956930088, 5174627654, 10349255308, 20698510616]

約数ペア:

[(1, 20698510616), (2, 10349255308), (4, 5174627654), (7, 2956930088), (8, 2587313827), (14, 1478465044), (17, 1217559448), (28, 739232522), (34, 608779724), (43, 481360712), (49, 422418584), (56, 369616261), (68, 304389862), (86, 240680356), (98, 211209292), (119, 173937064), (136, 152194931), (172, 120340178), (196, 105604646), (238, 86968532), (289, 71621144), (301, 68765816), (343, 60345512), (344, 60170089), (392, 52802323), (476, 43484266), (578, 35810572), (602, 34382908), (607, 34099688), (686, 30172756), (731, 28315336), (833, 24848152), (952, 21742133), (1156, 17905286), (1204, 17191454), (1214, 17049844), (1372, 15086378), (1462, 14157668), (1666, 12424076), (2023, 10231592), (2107, 9823688), (2312, 8952643), (2408, 8595727), (2428, 8524922), (2744, 7543189), (2924, 7078834), (3332, 6212038), (4046, 5115796), (4214, 4911844), (4249, 4871384), (4856, 4262461), (5117, 4045048), (5831, 3549736), (5848, 3539417), (6664, 3106019), (8092, 2557898), (8428, 2455922), (8498, 2435692), (10234, 2022524), (10319, 2005864), (11662, 1774868), (12427, 1665608), (14161, 1461656), (14749, 1403384), (16184, 1278949), (16856, 1227961), (16996, 1217846), (20468, 1011262), (20638, 1002932), (23324, 887434), (24854, 832804), (26101, 793016), (28322, 730828), (29498, 701692), (29743, 695912), (33992, 608923), (35819, 577864), (40936, 505631), (41276, 501466), (46648, 443717), (49708, 416402), (52202, 396508), (56644, 365414), (58996, 350846), (59486, 347956), (71638, 288932), (72233, 286552), (82552, 250733), (86989, 237944), (99127, 208808), (99416, 208201), (104404, 198254), (113288, 182707), (117992, 175423), (118972, 173978), (143276, 144466)]