20129642820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15975907}}^1$

素因数の和:15975929

約数の個数: 72

約数和(自身を含む): 69782766144

約数和(自身を除く): 49653123324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15975907, 31951814, 47927721, 63903628, 79879535, 95855442, 111831349, 143783163, 159759070, 191710884, 223662698, 239638605, 287566326, 319518140, 335494047, 447325396, 479277210, 559156745, 575132652, 670988094, 718915815, 958554420, 1006482141, 1118313490, 1341976188, 1437831630, 1677470235, 2012964282, 2236626980, 2875663260, 3354940470, 4025928564, 5032410705, 6709880940, 10064821410, 20129642820]

約数ペア:

[(1, 20129642820), (2, 10064821410), (3, 6709880940), (4, 5032410705), (5, 4025928564), (6, 3354940470), (7, 2875663260), (9, 2236626980), (10, 2012964282), (12, 1677470235), (14, 1437831630), (15, 1341976188), (18, 1118313490), (20, 1006482141), (21, 958554420), (28, 718915815), (30, 670988094), (35, 575132652), (36, 559156745), (42, 479277210), (45, 447325396), (60, 335494047), (63, 319518140), (70, 287566326), (84, 239638605), (90, 223662698), (105, 191710884), (126, 159759070), (140, 143783163), (180, 111831349), (210, 95855442), (252, 79879535), (315, 63903628), (420, 47927721), (630, 31951814), (1260, 15975907)]