20603904

素因数分解:

$2^{10}\times 3^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:395

約数の個数: 88

約数和(自身を含む): 57971040

約数和(自身を除く): 37367136

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 256, 304, 353, 384, 456, 512, 608, 706, 768, 912, 1024, 1059, 1216, 1412, 1536, 1824, 2118, 2432, 2824, 3072, 3648, 4236, 4864, 5648, 6707, 7296, 8472, 9728, 11296, 13414, 14592, 16944, 19456, 20121, 22592, 26828, 29184, 33888, 40242, 45184, 53656, 58368, 67776, 80484, 90368, 107312, 135552, 160968, 180736, 214624, 271104, 321936, 361472, 429248, 542208, 643872, 858496, 1084416, 1287744, 1716992, 2575488, 3433984, 5150976, 6867968, 10301952, 20603904]

約数ペア:

[(1, 20603904), (2, 10301952), (3, 6867968), (4, 5150976), (6, 3433984), (8, 2575488), (12, 1716992), (16, 1287744), (19, 1084416), (24, 858496), (32, 643872), (38, 542208), (48, 429248), (57, 361472), (64, 321936), (76, 271104), (96, 214624), (114, 180736), (128, 160968), (152, 135552), (192, 107312), (228, 90368), (256, 80484), (304, 67776), (353, 58368), (384, 53656), (456, 45184), (512, 40242), (608, 33888), (706, 29184), (768, 26828), (912, 22592), (1024, 20121), (1059, 19456), (1216, 16944), (1412, 14592), (1536, 13414), (1824, 11296), (2118, 9728), (2432, 8472), (2824, 7296), (3072, 6707), (3648, 5648), (4236, 4864)]