20145226

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{4451}}^1$

素因数の和:4557

約数の個数: 16

約数和(自身を含む): 31627008

約数和(自身を除く): 11481782

約数列:

[1, 2, 31, 62, 73, 146, 2263, 4451, 4526, 8902, 137981, 275962, 324923, 649846, 10072613, 20145226]

約数ペア:

[(1, 20145226), (2, 10072613), (31, 649846), (62, 324923), (73, 275962), (146, 137981), (2263, 8902), (4451, 4526)]