20588348529

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{883}}^1$

素因数の和:1112

約数の個数: 128

約数和(自身を含む): 37838028800

約数和(自身を除く): 17249680271

約数列:

[1, 3, 7, 9, 19, 21, 27, 43, 57, 63, 129, 133, 151, 171, 189, 301, 387, 399, 453, 513, 817, 883, 903, 1057, 1161, 1197, 1359, 2451, 2649, 2709, 2869, 3171, 3591, 4077, 5719, 6181, 6493, 7353, 7947, 8127, 8607, 9513, 16777, 17157, 18543, 19479, 20083, 22059, 23841, 25821, 28539, 37969, 45451, 50331, 51471, 55629, 58437, 60249, 77463, 113907, 117439, 123367, 133333, 136353, 150993, 154413, 166887, 175311, 180747, 265783, 341721, 352317, 370101, 399999, 409059, 452979, 542241, 721411, 797349, 863569, 933331, 1025163, 1056951, 1110303, 1199997, 1227177, 2164233, 2392047, 2533327, 2590707, 2799993, 3170853, 3330909, 3599991, 5049877, 5733319, 6492699, 7176141, 7599981, 7772121, 8399979, 15149631, 17199957, 17733289, 19478097, 22799943, 23316363, 25199937, 40133233, 45448893, 51599871, 53199867, 68399829, 108933061, 120399699, 136346679, 154799613, 159599601, 326799183, 361199097, 478798803, 762531427, 980397549, 1083597291, 2287594281, 2941192647, 6862782843, 20588348529]

約数ペア:

[(1, 20588348529), (3, 6862782843), (7, 2941192647), (9, 2287594281), (19, 1083597291), (21, 980397549), (27, 762531427), (43, 478798803), (57, 361199097), (63, 326799183), (129, 159599601), (133, 154799613), (151, 136346679), (171, 120399699), (189, 108933061), (301, 68399829), (387, 53199867), (399, 51599871), (453, 45448893), (513, 40133233), (817, 25199937), (883, 23316363), (903, 22799943), (1057, 19478097), (1161, 17733289), (1197, 17199957), (1359, 15149631), (2451, 8399979), (2649, 7772121), (2709, 7599981), (2869, 7176141), (3171, 6492699), (3591, 5733319), (4077, 5049877), (5719, 3599991), (6181, 3330909), (6493, 3170853), (7353, 2799993), (7947, 2590707), (8127, 2533327), (8607, 2392047), (9513, 2164233), (16777, 1227177), (17157, 1199997), (18543, 1110303), (19479, 1056951), (20083, 1025163), (22059, 933331), (23841, 863569), (25821, 797349), (28539, 721411), (37969, 542241), (45451, 452979), (50331, 409059), (51471, 399999), (55629, 370101), (58437, 352317), (60249, 341721), (77463, 265783), (113907, 180747), (117439, 175311), (123367, 166887), (133333, 154413), (136353, 150993)]