20228992

素因数分解:

$2^7\times 7^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 46707840

約数和(自身を除く): 26478848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 107, 112, 128, 211, 214, 224, 422, 428, 448, 749, 844, 856, 896, 1477, 1498, 1688, 1712, 2954, 2996, 3376, 3424, 5908, 5992, 6752, 6848, 11816, 11984, 13504, 13696, 22577, 23632, 23968, 27008, 45154, 47264, 47936, 90308, 94528, 95872, 158039, 180616, 189056, 316078, 361232, 632156, 722464, 1264312, 1444928, 2528624, 2889856, 5057248, 10114496, 20228992]

約数ペア:

[(1, 20228992), (2, 10114496), (4, 5057248), (7, 2889856), (8, 2528624), (14, 1444928), (16, 1264312), (28, 722464), (32, 632156), (56, 361232), (64, 316078), (107, 189056), (112, 180616), (128, 158039), (211, 95872), (214, 94528), (224, 90308), (422, 47936), (428, 47264), (448, 45154), (749, 27008), (844, 23968), (856, 23632), (896, 22577), (1477, 13696), (1498, 13504), (1688, 11984), (1712, 11816), (2954, 6848), (2996, 6752), (3376, 5992), (3424, 5908)]