20072529

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 32864832

約数和(自身を除く): 12792303

約数列:

[1, 3, 9, 17, 27, 43, 51, 81, 113, 129, 153, 243, 339, 387, 459, 731, 1017, 1161, 1377, 1921, 2193, 3051, 3483, 4131, 4859, 5763, 6579, 9153, 10449, 14577, 17289, 19737, 27459, 43731, 51867, 59211, 82603, 131193, 155601, 177633, 247809, 393579, 466803, 743427, 1180737, 2230281, 6690843, 20072529]

約数ペア:

[(1, 20072529), (3, 6690843), (9, 2230281), (17, 1180737), (27, 743427), (43, 466803), (51, 393579), (81, 247809), (113, 177633), (129, 155601), (153, 131193), (243, 82603), (339, 59211), (387, 51867), (459, 43731), (731, 27459), (1017, 19737), (1161, 17289), (1377, 14577), (1921, 10449), (2193, 9153), (3051, 6579), (3483, 5763), (4131, 4859)]