20617005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{347}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 35178624

約数和(自身を除く): 14561619

約数列:

[1, 3, 5, 15, 17, 51, 85, 233, 255, 347, 699, 1041, 1165, 1735, 3495, 3961, 5205, 5899, 11883, 17697, 19805, 29495, 59415, 80851, 88485, 242553, 404255, 1212765, 1374467, 4123401, 6872335, 20617005]

約数ペア:

[(1, 20617005), (3, 6872335), (5, 4123401), (15, 1374467), (17, 1212765), (51, 404255), (85, 242553), (233, 88485), (255, 80851), (347, 59415), (699, 29495), (1041, 19805), (1165, 17697), (1735, 11883), (3495, 5899), (3961, 5205)]