20942144

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:423

約数の個数: 56

約数和(自身を含む): 44549568

約数和(自身を除く): 23607424

約数列:

[1, 2, 4, 8, 16, 23, 32, 41, 46, 64, 82, 92, 164, 184, 328, 347, 368, 656, 694, 736, 943, 1312, 1388, 1472, 1886, 2624, 2776, 3772, 5552, 7544, 7981, 11104, 14227, 15088, 15962, 22208, 28454, 30176, 31924, 56908, 60352, 63848, 113816, 127696, 227632, 255392, 327221, 455264, 510784, 654442, 910528, 1308884, 2617768, 5235536, 10471072, 20942144]

約数ペア:

[(1, 20942144), (2, 10471072), (4, 5235536), (8, 2617768), (16, 1308884), (23, 910528), (32, 654442), (41, 510784), (46, 455264), (64, 327221), (82, 255392), (92, 227632), (164, 127696), (184, 113816), (328, 63848), (347, 60352), (368, 56908), (656, 31924), (694, 30176), (736, 28454), (943, 22208), (1312, 15962), (1388, 15088), (1472, 14227), (1886, 11104), (2624, 7981), (2776, 7544), (3772, 5552)]