20054528

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 80

約数和(自身を含む): 45372096

約数和(自身を除く): 25317568

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 131, 184, 208, 256, 262, 299, 368, 416, 512, 524, 598, 736, 832, 1048, 1196, 1472, 1664, 1703, 2096, 2392, 2944, 3013, 3328, 3406, 4192, 4784, 5888, 6026, 6656, 6812, 8384, 9568, 11776, 12052, 13624, 16768, 19136, 24104, 27248, 33536, 38272, 39169, 48208, 54496, 67072, 76544, 78338, 96416, 108992, 153088, 156676, 192832, 217984, 313352, 385664, 435968, 626704, 771328, 871936, 1253408, 1542656, 2506816, 5013632, 10027264, 20054528]

約数ペア:

[(1, 20054528), (2, 10027264), (4, 5013632), (8, 2506816), (13, 1542656), (16, 1253408), (23, 871936), (26, 771328), (32, 626704), (46, 435968), (52, 385664), (64, 313352), (92, 217984), (104, 192832), (128, 156676), (131, 153088), (184, 108992), (208, 96416), (256, 78338), (262, 76544), (299, 67072), (368, 54496), (416, 48208), (512, 39169), (524, 38272), (598, 33536), (736, 27248), (832, 24104), (1048, 19136), (1196, 16768), (1472, 13624), (1664, 12052), (1703, 11776), (2096, 9568), (2392, 8384), (2944, 6812), (3013, 6656), (3328, 6026), (3406, 5888), (4192, 4784)]