20540325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21067}}^1$

素因数の和:21093

約数の個数: 24

約数和(自身を含む): 36574048

約数和(自身を除く): 16033723

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 21067, 63201, 105335, 273871, 316005, 526675, 821613, 1369355, 1580025, 4108065, 6846775, 20540325]

約数ペア:

[(1, 20540325), (3, 6846775), (5, 4108065), (13, 1580025), (15, 1369355), (25, 821613), (39, 526675), (65, 316005), (75, 273871), (195, 105335), (325, 63201), (975, 21067)]