20178236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{6577}}^1$

素因数の和:6653

約数の個数: 24

約数和(自身を含む): 38678640

約数和(自身を除く): 18500404

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 6577, 13154, 26308, 85501, 171002, 342004, 388043, 776086, 1552172, 5044559, 10089118, 20178236]

約数ペア:

[(1, 20178236), (2, 10089118), (4, 5044559), (13, 1552172), (26, 776086), (52, 388043), (59, 342004), (118, 171002), (236, 85501), (767, 26308), (1534, 13154), (3068, 6577)]