20178892

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{461}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 36634752

約数和(自身を除く): 16455860

約数列:

[1, 2, 4, 31, 62, 124, 353, 461, 706, 922, 1412, 1844, 10943, 14291, 21886, 28582, 43772, 57164, 162733, 325466, 650932, 5044723, 10089446, 20178892]

約数ペア:

[(1, 20178892), (2, 10089446), (4, 5044723), (31, 650932), (62, 325466), (124, 162733), (353, 57164), (461, 43772), (706, 28582), (922, 21886), (1412, 14291), (1844, 10943)]