20172542460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6861409}}^1$

素因数の和:6861435

約数の個数: 72

約数和(自身を含む): 65704862160

約数和(自身を除く): 45532319700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6861409, 13722818, 20584227, 27445636, 34307045, 41168454, 48029863, 68614090, 82336908, 96059726, 102921135, 137228180, 144089589, 192119452, 205842270, 240149315, 288179178, 336209041, 411684540, 480298630, 576358356, 672418082, 720447945, 960597260, 1008627123, 1344836164, 1440895890, 1681045205, 2017254246, 2881791780, 3362090410, 4034508492, 5043135615, 6724180820, 10086271230, 20172542460]

約数ペア:

[(1, 20172542460), (2, 10086271230), (3, 6724180820), (4, 5043135615), (5, 4034508492), (6, 3362090410), (7, 2881791780), (10, 2017254246), (12, 1681045205), (14, 1440895890), (15, 1344836164), (20, 1008627123), (21, 960597260), (28, 720447945), (30, 672418082), (35, 576358356), (42, 480298630), (49, 411684540), (60, 336209041), (70, 288179178), (84, 240149315), (98, 205842270), (105, 192119452), (140, 144089589), (147, 137228180), (196, 102921135), (210, 96059726), (245, 82336908), (294, 68614090), (420, 48029863), (490, 41168454), (588, 34307045), (735, 27445636), (980, 20584227), (1470, 13722818), (2940, 6861409)]