20068390

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 37122624

約数和(自身を除く): 17054234

約数列:

[1, 2, 5, 10, 61, 122, 167, 197, 305, 334, 394, 610, 835, 985, 1670, 1970, 10187, 12017, 20374, 24034, 32899, 50935, 60085, 65798, 101870, 120170, 164495, 328990, 2006839, 4013678, 10034195, 20068390]

約数ペア:

[(1, 20068390), (2, 10034195), (5, 4013678), (10, 2006839), (61, 328990), (122, 164495), (167, 120170), (197, 101870), (305, 65798), (334, 60085), (394, 50935), (610, 32899), (835, 24034), (985, 20374), (1670, 12017), (1970, 10187)]