20797556871

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1049}}^1\times {\mathrm{72623}}^1$

素因数の和:73695

約数の個数: 32

約数和(自身を含む): 34162329600

約数和(自身を除く): 13364772729

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1049, 3147, 7343, 13637, 22029, 40911, 72623, 95459, 217869, 286377, 508361, 944099, 1525083, 2832297, 6608693, 19826079, 76181527, 228544581, 533270689, 990359851, 1599812067, 2971079553, 6932518957, 20797556871]

約数ペア:

[(1, 20797556871), (3, 6932518957), (7, 2971079553), (13, 1599812067), (21, 990359851), (39, 533270689), (91, 228544581), (273, 76181527), (1049, 19826079), (3147, 6608693), (7343, 2832297), (13637, 1525083), (22029, 944099), (40911, 508361), (72623, 286377), (95459, 217869)]