20815938

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8087}}^1$

素因数の和:8119

約数の個数: 48

約数和(自身を含む): 52992576

約数和(自身を除く): 32176638

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 286, 429, 858, 1287, 2574, 8087, 16174, 24261, 48522, 72783, 88957, 105131, 145566, 177914, 210262, 266871, 315393, 533742, 630786, 800613, 946179, 1156441, 1601226, 1892358, 2312882, 3469323, 6938646, 10407969, 20815938]

約数ペア:

[(1, 20815938), (2, 10407969), (3, 6938646), (6, 3469323), (9, 2312882), (11, 1892358), (13, 1601226), (18, 1156441), (22, 946179), (26, 800613), (33, 630786), (39, 533742), (66, 315393), (78, 266871), (99, 210262), (117, 177914), (143, 145566), (198, 105131), (234, 88957), (286, 72783), (429, 48522), (858, 24261), (1287, 16174), (2574, 8087)]