20297728

素因数分解:

$2^{11}\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:103

約数の個数: 96

約数和(自身を含む): 47764080

約数和(自身を除く): 27466352

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 53, 64, 68, 88, 106, 128, 136, 176, 187, 212, 256, 272, 352, 374, 424, 512, 544, 583, 704, 748, 848, 901, 1024, 1088, 1166, 1408, 1496, 1696, 1802, 2048, 2176, 2332, 2816, 2992, 3392, 3604, 4352, 4664, 5632, 5984, 6784, 7208, 8704, 9328, 9911, 11264, 11968, 13568, 14416, 17408, 18656, 19822, 22528, 23936, 27136, 28832, 34816, 37312, 39644, 47872, 54272, 57664, 74624, 79288, 95744, 108544, 115328, 149248, 158576, 191488, 230656, 298496, 317152, 382976, 461312, 596992, 634304, 922624, 1193984, 1268608, 1845248, 2537216, 5074432, 10148864, 20297728]

約数ペア:

[(1, 20297728), (2, 10148864), (4, 5074432), (8, 2537216), (11, 1845248), (16, 1268608), (17, 1193984), (22, 922624), (32, 634304), (34, 596992), (44, 461312), (53, 382976), (64, 317152), (68, 298496), (88, 230656), (106, 191488), (128, 158576), (136, 149248), (176, 115328), (187, 108544), (212, 95744), (256, 79288), (272, 74624), (352, 57664), (374, 54272), (424, 47872), (512, 39644), (544, 37312), (583, 34816), (704, 28832), (748, 27136), (848, 23936), (901, 22528), (1024, 19822), (1088, 18656), (1166, 17408), (1408, 14416), (1496, 13568), (1696, 11968), (1802, 11264), (2048, 9911), (2176, 9328), (2332, 8704), (2816, 7208), (2992, 6784), (3392, 5984), (3604, 5632), (4352, 4664)]