20408608

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1567}}^1$

素因数の和:1625

約数の個数: 48

約数和(自身を含む): 45045504

約数和(自身を除く): 24636896

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 74, 88, 148, 176, 296, 352, 407, 592, 814, 1184, 1567, 1628, 3134, 3256, 6268, 6512, 12536, 13024, 17237, 25072, 34474, 50144, 57979, 68948, 115958, 137896, 231916, 275792, 463832, 551584, 637769, 927664, 1275538, 1855328, 2551076, 5102152, 10204304, 20408608]

約数ペア:

[(1, 20408608), (2, 10204304), (4, 5102152), (8, 2551076), (11, 1855328), (16, 1275538), (22, 927664), (32, 637769), (37, 551584), (44, 463832), (74, 275792), (88, 231916), (148, 137896), (176, 115958), (296, 68948), (352, 57979), (407, 50144), (592, 34474), (814, 25072), (1184, 17237), (1567, 13024), (1628, 12536), (3134, 6512), (3256, 6268)]