20126820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 65011968

約数和(自身を除く): 44885148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 173, 210, 277, 346, 420, 519, 554, 692, 831, 865, 1038, 1108, 1211, 1385, 1662, 1730, 1939, 2076, 2422, 2595, 2770, 3324, 3460, 3633, 3878, 4155, 4844, 5190, 5540, 5817, 6055, 7266, 7756, 8310, 9695, 10380, 11634, 12110, 14532, 16620, 18165, 19390, 23268, 24220, 29085, 36330, 38780, 47921, 58170, 72660, 95842, 116340, 143763, 191684, 239605, 287526, 335447, 479210, 575052, 670894, 718815, 958420, 1006341, 1341788, 1437630, 1677235, 2012682, 2875260, 3354470, 4025364, 5031705, 6708940, 10063410, 20126820]

約数ペア:

[(1, 20126820), (2, 10063410), (3, 6708940), (4, 5031705), (5, 4025364), (6, 3354470), (7, 2875260), (10, 2012682), (12, 1677235), (14, 1437630), (15, 1341788), (20, 1006341), (21, 958420), (28, 718815), (30, 670894), (35, 575052), (42, 479210), (60, 335447), (70, 287526), (84, 239605), (105, 191684), (140, 143763), (173, 116340), (210, 95842), (277, 72660), (346, 58170), (420, 47921), (519, 38780), (554, 36330), (692, 29085), (831, 24220), (865, 23268), (1038, 19390), (1108, 18165), (1211, 16620), (1385, 14532), (1662, 12110), (1730, 11634), (1939, 10380), (2076, 9695), (2422, 8310), (2595, 7756), (2770, 7266), (3324, 6055), (3460, 5817), (3633, 5540), (3878, 5190), (4155, 4844)]