20786784175

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{22003}}^1$

素因数の和:22120

約数の個数: 48

約数和(自身を含む): 28289046528

約数和(自身を除く): 7502262353

約数列:

[1, 5, 23, 25, 31, 53, 115, 155, 265, 575, 713, 775, 1219, 1325, 1643, 3565, 6095, 8215, 17825, 22003, 30475, 37789, 41075, 110015, 188945, 506069, 550075, 682093, 944725, 1166159, 2530345, 3410465, 5830795, 12651725, 15688139, 17052325, 26821657, 29153975, 36150929, 78440695, 134108285, 180754645, 392203475, 670541425, 831471367, 903773225, 4157356835, 20786784175]

約数ペア:

[(1, 20786784175), (5, 4157356835), (23, 903773225), (25, 831471367), (31, 670541425), (53, 392203475), (115, 180754645), (155, 134108285), (265, 78440695), (575, 36150929), (713, 29153975), (775, 26821657), (1219, 17052325), (1325, 15688139), (1643, 12651725), (3565, 5830795), (6095, 3410465), (8215, 2530345), (17825, 1166159), (22003, 944725), (30475, 682093), (37789, 550075), (41075, 506069), (110015, 188945)]