20796735

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1697}}^1$

素因数の和:1767

約数の個数: 32

約数和(自身を含む): 35861760

約数和(自身を除く): 15065025

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 1697, 2451, 4085, 5091, 8485, 12255, 25455, 32243, 72971, 96729, 161215, 218913, 364855, 483645, 1094565, 1386449, 4159347, 6932245, 20796735]

約数ペア:

[(1, 20796735), (3, 6932245), (5, 4159347), (15, 1386449), (19, 1094565), (43, 483645), (57, 364855), (95, 218913), (129, 161215), (215, 96729), (285, 72971), (645, 32243), (817, 25455), (1697, 12255), (2451, 8485), (4085, 5091)]