20255824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2897}}^1$

素因数の和:2947

約数の個数: 40

約数和(自身を含む): 43122240

約数和(自身を除く): 22866416

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 2897, 3496, 5794, 6992, 11588, 23176, 46352, 55043, 66631, 110086, 133262, 220172, 266524, 440344, 533048, 880688, 1066096, 1265989, 2531978, 5063956, 10127912, 20255824]

約数ペア:

[(1, 20255824), (2, 10127912), (4, 5063956), (8, 2531978), (16, 1265989), (19, 1066096), (23, 880688), (38, 533048), (46, 440344), (76, 266524), (92, 220172), (152, 133262), (184, 110086), (304, 66631), (368, 55043), (437, 46352), (874, 23176), (1748, 11588), (2897, 6992), (3496, 5794)]