20213284

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7933}}^1$

素因数の和:7964

約数の個数: 36

約数和(自身を含む): 44319324

約数和(自身を除く): 24106040

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 7933, 15866, 31732, 55531, 103129, 111062, 206258, 222124, 388717, 412516, 721903, 777434, 1443806, 1554868, 2887612, 5053321, 10106642, 20213284]

約数ペア:

[(1, 20213284), (2, 10106642), (4, 5053321), (7, 2887612), (13, 1554868), (14, 1443806), (26, 777434), (28, 721903), (49, 412516), (52, 388717), (91, 222124), (98, 206258), (182, 111062), (196, 103129), (364, 55531), (637, 31732), (1274, 15866), (2548, 7933)]