20579364

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43973}}^1$

素因数の和:43996

約数の個数: 36

約数和(自身を含む): 56022876

約数和(自身を除く): 35443512

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43973, 87946, 131919, 175892, 263838, 395757, 527676, 571649, 791514, 1143298, 1583028, 1714947, 2286596, 3429894, 5144841, 6859788, 10289682, 20579364]

約数ペア:

[(1, 20579364), (2, 10289682), (3, 6859788), (4, 5144841), (6, 3429894), (9, 2286596), (12, 1714947), (13, 1583028), (18, 1143298), (26, 791514), (36, 571649), (39, 527676), (52, 395757), (78, 263838), (117, 175892), (156, 131919), (234, 87946), (468, 43973)]