20534512

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:337

約数の個数: 40

約数和(自身を含む): 40903632

約数和(自身を除く): 20369120

約数列:

[1, 2, 4, 8, 16, 97, 101, 131, 194, 202, 262, 388, 404, 524, 776, 808, 1048, 1552, 1616, 2096, 9797, 12707, 13231, 19594, 25414, 26462, 39188, 50828, 52924, 78376, 101656, 105848, 156752, 203312, 211696, 1283407, 2566814, 5133628, 10267256, 20534512]

約数ペア:

[(1, 20534512), (2, 10267256), (4, 5133628), (8, 2566814), (16, 1283407), (97, 211696), (101, 203312), (131, 156752), (194, 105848), (202, 101656), (262, 78376), (388, 52924), (404, 50828), (524, 39188), (776, 26462), (808, 25414), (1048, 19594), (1552, 13231), (1616, 12707), (2096, 9797)]