20404768329

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:396

約数の個数: 144

約数和(自身を含む): 34956230400

約数和(自身を除く): 14551462071

約数列:

[1, 3, 9, 11, 29, 33, 47, 59, 87, 99, 121, 141, 177, 233, 261, 319, 363, 423, 517, 531, 649, 699, 957, 1089, 1363, 1551, 1711, 1947, 2097, 2563, 2773, 2871, 3509, 4089, 4653, 5133, 5687, 5841, 6757, 7139, 7689, 8319, 10527, 10951, 12267, 13747, 14993, 15399, 17061, 18821, 20271, 21417, 23067, 24957, 28193, 30503, 31581, 32853, 41241, 44979, 51183, 56463, 60813, 64251, 74327, 80417, 84579, 91509, 98559, 120461, 123723, 134937, 151217, 164923, 169389, 207031, 222981, 241251, 253737, 274527, 317579, 335533, 361383, 398663, 453651, 494769, 621093, 646109, 668943, 723753, 817597, 884587, 952737, 1006599, 1084149, 1195989, 1325071, 1360953, 1484307, 1663387, 1863279, 1938327, 2452791, 2653761, 2858211, 3019797, 3493369, 3587967, 3975213, 4385293, 4990161, 5814981, 7107199, 7358373, 7961283, 9730457, 10480107, 11925639, 13155879, 14970483, 18737161, 21321597, 29191371, 31440321, 38427059, 39467637, 48238223, 56211483, 63964791, 78179189, 87574113, 115281177, 144714669, 168634449, 206108771, 234537567, 345843531, 434144007, 618326313, 703612701, 1854978939, 2267196481, 6801589443, 20404768329]

約数ペア:

[(1, 20404768329), (3, 6801589443), (9, 2267196481), (11, 1854978939), (29, 703612701), (33, 618326313), (47, 434144007), (59, 345843531), (87, 234537567), (99, 206108771), (121, 168634449), (141, 144714669), (177, 115281177), (233, 87574113), (261, 78179189), (319, 63964791), (363, 56211483), (423, 48238223), (517, 39467637), (531, 38427059), (649, 31440321), (699, 29191371), (957, 21321597), (1089, 18737161), (1363, 14970483), (1551, 13155879), (1711, 11925639), (1947, 10480107), (2097, 9730457), (2563, 7961283), (2773, 7358373), (2871, 7107199), (3509, 5814981), (4089, 4990161), (4653, 4385293), (5133, 3975213), (5687, 3587967), (5841, 3493369), (6757, 3019797), (7139, 2858211), (7689, 2653761), (8319, 2452791), (10527, 1938327), (10951, 1863279), (12267, 1663387), (13747, 1484307), (14993, 1360953), (15399, 1325071), (17061, 1195989), (18821, 1084149), (20271, 1006599), (21417, 952737), (23067, 884587), (24957, 817597), (28193, 723753), (30503, 668943), (31581, 646109), (32853, 621093), (41241, 494769), (44979, 453651), (51183, 398663), (56463, 361383), (60813, 335533), (64251, 317579), (74327, 274527), (80417, 253737), (84579, 241251), (91509, 222981), (98559, 207031), (120461, 169389), (123723, 164923), (134937, 151217)]