20581108992

素因数分解:

$2^8\times 3^3\times {\mathrm{47}}^1\times {\mathrm{63353}}^1$

素因数の和:63425

約数の個数: 144

約数和(自身を含む): 62157876480

約数和(自身を除く): 41576767488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 64, 72, 94, 96, 108, 128, 141, 144, 188, 192, 216, 256, 282, 288, 376, 384, 423, 432, 564, 576, 752, 768, 846, 864, 1128, 1152, 1269, 1504, 1692, 1728, 2256, 2304, 2538, 3008, 3384, 3456, 4512, 5076, 6016, 6768, 6912, 9024, 10152, 12032, 13536, 18048, 20304, 27072, 36096, 40608, 54144, 63353, 81216, 108288, 126706, 162432, 190059, 253412, 324864, 380118, 506824, 570177, 760236, 1013648, 1140354, 1520472, 1710531, 2027296, 2280708, 2977591, 3040944, 3421062, 4054592, 4561416, 5955182, 6081888, 6842124, 8109184, 8932773, 9122832, 11910364, 12163776, 13684248, 16218368, 17865546, 18245664, 23820728, 24327552, 26798319, 27368496, 35731092, 36491328, 47641456, 48655104, 53596638, 54736992, 71462184, 72982656, 80394957, 95282912, 107193276, 109473984, 142924368, 145965312, 160789914, 190565824, 214386552, 218947968, 285848736, 321579828, 381131648, 428773104, 437895936, 571697472, 643159656, 762263296, 857546208, 1143394944, 1286319312, 1715092416, 2286789888, 2572638624, 3430184832, 5145277248, 6860369664, 10290554496, 20581108992]

約数ペア:

[(1, 20581108992), (2, 10290554496), (3, 6860369664), (4, 5145277248), (6, 3430184832), (8, 2572638624), (9, 2286789888), (12, 1715092416), (16, 1286319312), (18, 1143394944), (24, 857546208), (27, 762263296), (32, 643159656), (36, 571697472), (47, 437895936), (48, 428773104), (54, 381131648), (64, 321579828), (72, 285848736), (94, 218947968), (96, 214386552), (108, 190565824), (128, 160789914), (141, 145965312), (144, 142924368), (188, 109473984), (192, 107193276), (216, 95282912), (256, 80394957), (282, 72982656), (288, 71462184), (376, 54736992), (384, 53596638), (423, 48655104), (432, 47641456), (564, 36491328), (576, 35731092), (752, 27368496), (768, 26798319), (846, 24327552), (864, 23820728), (1128, 18245664), (1152, 17865546), (1269, 16218368), (1504, 13684248), (1692, 12163776), (1728, 11910364), (2256, 9122832), (2304, 8932773), (2538, 8109184), (3008, 6842124), (3384, 6081888), (3456, 5955182), (4512, 4561416), (5076, 4054592), (6016, 3421062), (6768, 3040944), (6912, 2977591), (9024, 2280708), (10152, 2027296), (12032, 1710531), (13536, 1520472), (18048, 1140354), (20304, 1013648), (27072, 760236), (36096, 570177), (40608, 506824), (54144, 380118), (63353, 324864), (81216, 253412), (108288, 190059), (126706, 162432)]