20831936

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{467}}^1$

素因数の和:537

約数の個数: 56

約数和(自身を含む): 44933616

約数和(自身を除く): 24101680

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 64, 68, 82, 136, 164, 272, 328, 467, 544, 656, 697, 934, 1088, 1312, 1394, 1868, 2624, 2788, 3736, 5576, 7472, 7939, 11152, 14944, 15878, 19147, 22304, 29888, 31756, 38294, 44608, 63512, 76588, 127024, 153176, 254048, 306352, 325499, 508096, 612704, 650998, 1225408, 1301996, 2603992, 5207984, 10415968, 20831936]

約数ペア:

[(1, 20831936), (2, 10415968), (4, 5207984), (8, 2603992), (16, 1301996), (17, 1225408), (32, 650998), (34, 612704), (41, 508096), (64, 325499), (68, 306352), (82, 254048), (136, 153176), (164, 127024), (272, 76588), (328, 63512), (467, 44608), (544, 38294), (656, 31756), (697, 29888), (934, 22304), (1088, 19147), (1312, 15878), (1394, 14944), (1868, 11152), (2624, 7939), (2788, 7472), (3736, 5576)]