20868268

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2081}}^1$

素因数の和:2217

約数の個数: 24

約数和(自身を含む): 38475360

約数和(自身を除く): 17607092

約数列:

[1, 2, 4, 23, 46, 92, 109, 218, 436, 2081, 2507, 4162, 5014, 8324, 10028, 47863, 95726, 191452, 226829, 453658, 907316, 5217067, 10434134, 20868268]

約数ペア:

[(1, 20868268), (2, 10434134), (4, 5217067), (23, 907316), (46, 453658), (92, 226829), (109, 191452), (218, 95726), (436, 47863), (2081, 10028), (2507, 8324), (4162, 5014)]