20865625386

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{80874517}}^1$

素因数の和:80874565

約数の個数: 16

約数和(自身を含む): 42701745504

約数和(自身を除く): 21836120118

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 80874517, 161749034, 242623551, 485247102, 3477604231, 6955208462, 10432812693, 20865625386]

約数ペア:

[(1, 20865625386), (2, 10432812693), (3, 6955208462), (6, 3477604231), (43, 485247102), (86, 242623551), (129, 161749034), (258, 80874517)]