20869316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8539}}^1$

素因数の和:8603

約数の個数: 24

約数和(自身を含む): 40172160

約数和(自身を除く): 19302844

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 8539, 17078, 34156, 111007, 222014, 401333, 444028, 802666, 1605332, 5217329, 10434658, 20869316]

約数ペア:

[(1, 20869316), (2, 10434658), (4, 5217329), (13, 1605332), (26, 802666), (47, 444028), (52, 401333), (94, 222014), (188, 111007), (611, 34156), (1222, 17078), (2444, 8539)]