20805364335

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6391817}}^1$

素因数の和:6391863

約数の個数: 32

約数和(自身を含む): 39271329792

約数和(自身を除く): 18465965457

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6391817, 19175451, 31959085, 44742719, 95877255, 134228157, 198146327, 223713595, 594438981, 671140785, 990731635, 1387024289, 2972194905, 4161072867, 6935121445, 20805364335]

約数ペア:

[(1, 20805364335), (3, 6935121445), (5, 4161072867), (7, 2972194905), (15, 1387024289), (21, 990731635), (31, 671140785), (35, 594438981), (93, 223713595), (105, 198146327), (155, 134228157), (217, 95877255), (465, 44742719), (651, 31959085), (1085, 19175451), (3255, 6391817)]