20073671540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77206429}}^1$

素因数の和:77206451

約数の個数: 24

約数和(自身を含む): 45397380840

約数和(自身を除く): 25323709300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77206429, 154412858, 308825716, 386032145, 772064290, 1003683577, 1544128580, 2007367154, 4014734308, 5018417885, 10036835770, 20073671540]

約数ペア:

[(1, 20073671540), (2, 10036835770), (4, 5018417885), (5, 4014734308), (10, 2007367154), (13, 1544128580), (20, 1003683577), (26, 772064290), (52, 386032145), (65, 308825716), (130, 154412858), (260, 77206429)]