20398896

素因数分解:

$2^4\times 3^2\times 7^4\times {\mathrm{59}}^1$

素因数の和:101

約数の個数: 150

約数和(自身を含む): 67728180

約数和(自身を除く): 47329284

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 59, 63, 72, 84, 98, 112, 118, 126, 144, 147, 168, 177, 196, 236, 252, 294, 336, 343, 354, 392, 413, 441, 472, 504, 531, 588, 686, 708, 784, 826, 882, 944, 1008, 1029, 1062, 1176, 1239, 1372, 1416, 1652, 1764, 2058, 2124, 2352, 2401, 2478, 2744, 2832, 2891, 3087, 3304, 3528, 3717, 4116, 4248, 4802, 4956, 5488, 5782, 6174, 6608, 7056, 7203, 7434, 8232, 8496, 8673, 9604, 9912, 11564, 12348, 14406, 14868, 16464, 17346, 19208, 19824, 20237, 21609, 23128, 24696, 26019, 28812, 29736, 34692, 38416, 40474, 43218, 46256, 49392, 52038, 57624, 59472, 60711, 69384, 80948, 86436, 104076, 115248, 121422, 138768, 141659, 161896, 172872, 182133, 208152, 242844, 283318, 323792, 345744, 364266, 416304, 424977, 485688, 566636, 728532, 849954, 971376, 1133272, 1274931, 1457064, 1699908, 2266544, 2549862, 2914128, 3399816, 5099724, 6799632, 10199448, 20398896]

約数ペア:

[(1, 20398896), (2, 10199448), (3, 6799632), (4, 5099724), (6, 3399816), (7, 2914128), (8, 2549862), (9, 2266544), (12, 1699908), (14, 1457064), (16, 1274931), (18, 1133272), (21, 971376), (24, 849954), (28, 728532), (36, 566636), (42, 485688), (48, 424977), (49, 416304), (56, 364266), (59, 345744), (63, 323792), (72, 283318), (84, 242844), (98, 208152), (112, 182133), (118, 172872), (126, 161896), (144, 141659), (147, 138768), (168, 121422), (177, 115248), (196, 104076), (236, 86436), (252, 80948), (294, 69384), (336, 60711), (343, 59472), (354, 57624), (392, 52038), (413, 49392), (441, 46256), (472, 43218), (504, 40474), (531, 38416), (588, 34692), (686, 29736), (708, 28812), (784, 26019), (826, 24696), (882, 23128), (944, 21609), (1008, 20237), (1029, 19824), (1062, 19208), (1176, 17346), (1239, 16464), (1372, 14868), (1416, 14406), (1652, 12348), (1764, 11564), (2058, 9912), (2124, 9604), (2352, 8673), (2401, 8496), (2478, 8232), (2744, 7434), (2832, 7203), (2891, 7056), (3087, 6608), (3304, 6174), (3528, 5782), (3717, 5488), (4116, 4956), (4248, 4802)]