20304512

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 42797160

約数和(自身を除く): 22492648

約数列:

[1, 2, 4, 8, 16, 32, 41, 53, 64, 73, 82, 106, 128, 146, 164, 212, 292, 328, 424, 584, 656, 848, 1168, 1312, 1696, 2173, 2336, 2624, 2993, 3392, 3869, 4346, 4672, 5248, 5986, 6784, 7738, 8692, 9344, 11972, 15476, 17384, 23944, 30952, 34768, 47888, 61904, 69536, 95776, 123808, 139072, 158629, 191552, 247616, 278144, 317258, 383104, 495232, 634516, 1269032, 2538064, 5076128, 10152256, 20304512]

約数ペア:

[(1, 20304512), (2, 10152256), (4, 5076128), (8, 2538064), (16, 1269032), (32, 634516), (41, 495232), (53, 383104), (64, 317258), (73, 278144), (82, 247616), (106, 191552), (128, 158629), (146, 139072), (164, 123808), (212, 95776), (292, 69536), (328, 61904), (424, 47888), (584, 34768), (656, 30952), (848, 23944), (1168, 17384), (1312, 15476), (1696, 11972), (2173, 9344), (2336, 8692), (2624, 7738), (2993, 6784), (3392, 5986), (3869, 5248), (4346, 4672)]