20210565722

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{687949}}^1$

素因数の和:688385

約数の個数: 16

約数和(自身を含む): 31213667400

約数和(自身を除く): 11003101678

約数列:

[1, 2, 37, 74, 397, 794, 14689, 29378, 687949, 1375898, 25454113, 50908226, 273115753, 546231506, 10105282861, 20210565722]

約数ペア:

[(1, 20210565722), (2, 10105282861), (37, 546231506), (74, 273115753), (397, 50908226), (794, 25454113), (14689, 1375898), (29378, 687949)]