20120221161

素因数分解:

$3^2\times {\mathrm{199}}^1\times {\mathrm{223}}^1\times {\mathrm{50377}}^1$

素因数の和:50805

約数の個数: 24

約数和(自身を含む): 29340147200

約数和(自身を除く): 9219926039

約数列:

[1, 3, 9, 199, 223, 597, 669, 1791, 2007, 44377, 50377, 133131, 151131, 399393, 453393, 10025023, 11234071, 30075069, 33702213, 90225207, 101106639, 2235580129, 6706740387, 20120221161]

約数ペア:

[(1, 20120221161), (3, 6706740387), (9, 2235580129), (199, 101106639), (223, 90225207), (597, 33702213), (669, 30075069), (1791, 11234071), (2007, 10025023), (44377, 453393), (50377, 399393), (133131, 151131)]