20803892

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2699}}^1$

素因数の和:2791

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 17298508

約数列:

[1, 2, 4, 41, 47, 82, 94, 164, 188, 1927, 2699, 3854, 5398, 7708, 10796, 110659, 126853, 221318, 253706, 442636, 507412, 5200973, 10401946, 20803892]

約数ペア:

[(1, 20803892), (2, 10401946), (4, 5200973), (41, 507412), (47, 442636), (82, 253706), (94, 221318), (164, 126853), (188, 110659), (1927, 10796), (2699, 7708), (3854, 5398)]