20154722757

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1583}}^1\times {\mathrm{10531}}^1$

素因数の和:12161

約数の個数: 32

約数和(自身を含む): 29895376896

約数和(自身を除く): 9740654139

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 1583, 4749, 10531, 20579, 31593, 49073, 61737, 136903, 147219, 326461, 410709, 637949, 979383, 1913847, 4243993, 12731979, 16670573, 50011719, 216717449, 516787763, 650152347, 1550363289, 6718240919, 20154722757]

約数ペア:

[(1, 20154722757), (3, 6718240919), (13, 1550363289), (31, 650152347), (39, 516787763), (93, 216717449), (403, 50011719), (1209, 16670573), (1583, 12731979), (4749, 4243993), (10531, 1913847), (20579, 979383), (31593, 637949), (49073, 410709), (61737, 326461), (136903, 147219)]