20754650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3121}}^1$

素因数の和:3159

約数の個数: 48

約数和(自身を含む): 46455360

約数和(自身を除く): 25700710

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 133, 175, 190, 266, 350, 475, 665, 950, 1330, 3121, 3325, 6242, 6650, 15605, 21847, 31210, 43694, 59299, 78025, 109235, 118598, 156050, 218470, 296495, 415093, 546175, 592990, 830186, 1092350, 1482475, 2075465, 2964950, 4150930, 10377325, 20754650]

約数ペア:

[(1, 20754650), (2, 10377325), (5, 4150930), (7, 2964950), (10, 2075465), (14, 1482475), (19, 1092350), (25, 830186), (35, 592990), (38, 546175), (50, 415093), (70, 296495), (95, 218470), (133, 156050), (175, 118598), (190, 109235), (266, 78025), (350, 59299), (475, 43694), (665, 31210), (950, 21847), (1330, 15605), (3121, 6650), (3325, 6242)]