20336960

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{1297}}^1$

素因数の和:1328

約数の個数: 84

約数和(自身を含む): 56377332

約数和(自身を除く): 36040372

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1297, 1568, 1960, 2240, 2594, 3136, 3920, 5188, 6485, 7840, 9079, 10376, 12970, 15680, 18158, 20752, 25940, 36316, 41504, 45395, 51880, 63553, 72632, 83008, 90790, 103760, 127106, 145264, 181580, 207520, 254212, 290528, 317765, 363160, 415040, 508424, 581056, 635530, 726320, 1016848, 1271060, 1452640, 2033696, 2542120, 2905280, 4067392, 5084240, 10168480, 20336960]

約数ペア:

[(1, 20336960), (2, 10168480), (4, 5084240), (5, 4067392), (7, 2905280), (8, 2542120), (10, 2033696), (14, 1452640), (16, 1271060), (20, 1016848), (28, 726320), (32, 635530), (35, 581056), (40, 508424), (49, 415040), (56, 363160), (64, 317765), (70, 290528), (80, 254212), (98, 207520), (112, 181580), (140, 145264), (160, 127106), (196, 103760), (224, 90790), (245, 83008), (280, 72632), (320, 63553), (392, 51880), (448, 45395), (490, 41504), (560, 36316), (784, 25940), (980, 20752), (1120, 18158), (1297, 15680), (1568, 12970), (1960, 10376), (2240, 9079), (2594, 7840), (3136, 6485), (3920, 5188)]