20162980810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1489}}^1\times {\mathrm{193447}}^1$

素因数の和:194950

約数の個数: 32

約数和(自身を含む): 41506202880

約数和(自身を除く): 21343222070

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1489, 2978, 7445, 10423, 14890, 20846, 52115, 104230, 193447, 386894, 967235, 1354129, 1934470, 2708258, 6770645, 13541290, 288042583, 576085166, 1440212915, 2016298081, 2880425830, 4032596162, 10081490405, 20162980810]

約数ペア:

[(1, 20162980810), (2, 10081490405), (5, 4032596162), (7, 2880425830), (10, 2016298081), (14, 1440212915), (35, 576085166), (70, 288042583), (1489, 13541290), (2978, 6770645), (7445, 2708258), (10423, 1934470), (14890, 1354129), (20846, 967235), (52115, 386894), (104230, 193447)]