20555880555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{7477}}^1\times {\mathrm{26183}}^1$

素因数の和:33675

約数の個数: 32

約数和(自身を含む): 37594358784

約数和(自身を除く): 17038478229

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 7477, 22431, 26183, 37385, 52339, 78549, 112155, 130915, 157017, 183281, 261695, 392745, 549843, 785085, 916405, 2749215, 195770291, 587310873, 978851455, 1370392037, 2936554365, 4111176111, 6851960185, 20555880555]

約数ペア:

[(1, 20555880555), (3, 6851960185), (5, 4111176111), (7, 2936554365), (15, 1370392037), (21, 978851455), (35, 587310873), (105, 195770291), (7477, 2749215), (22431, 916405), (26183, 785085), (37385, 549843), (52339, 392745), (78549, 261695), (112155, 183281), (130915, 157017)]