20913854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{853}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 36154944

約数和(自身を除く): 15241090

約数列:

[1, 2, 13, 23, 26, 41, 46, 82, 299, 533, 598, 853, 943, 1066, 1706, 1886, 11089, 12259, 19619, 22178, 24518, 34973, 39238, 69946, 255047, 454649, 510094, 804379, 909298, 1608758, 10456927, 20913854]

約数ペア:

[(1, 20913854), (2, 10456927), (13, 1608758), (23, 909298), (26, 804379), (41, 510094), (46, 454649), (82, 255047), (299, 69946), (533, 39238), (598, 34973), (853, 24518), (943, 22178), (1066, 19619), (1706, 12259), (1886, 11089)]