20145803818

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{460181}}^1$

素因数の和:460302

約数の個数: 32

約数和(自身を含む): 35783752320

約数和(自身を除く): 15637948502

約数列:

[1, 2, 7, 14, 53, 59, 106, 118, 371, 413, 742, 826, 3127, 6254, 21889, 43778, 460181, 920362, 3221267, 6442534, 24389593, 27150679, 48779186, 54301358, 170727151, 190054753, 341454302, 380109506, 1438985987, 2877971974, 10072901909, 20145803818]

約数ペア:

[(1, 20145803818), (2, 10072901909), (7, 2877971974), (14, 1438985987), (53, 380109506), (59, 341454302), (106, 190054753), (118, 170727151), (371, 54301358), (413, 48779186), (742, 27150679), (826, 24389593), (3127, 6442534), (6254, 3221267), (21889, 920362), (43778, 460181)]