20906305280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2333293}}^1$

素因数の和:2333321

約数の個数: 72

約数和(自身を含む): 57231035232

約数和(自身を除く): 36324729952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 2333293, 4666586, 9333172, 11666465, 16333051, 18666344, 23332930, 32666102, 37332688, 46665860, 65332204, 74665376, 81665255, 93331720, 130664408, 149330752, 163330510, 186663440, 261328816, 298661504, 326661020, 373326880, 522657632, 597323008, 653322040, 746653760, 1045315264, 1306644080, 1493307520, 2090630528, 2613288160, 2986615040, 4181261056, 5226576320, 10453152640, 20906305280]

約数ペア:

[(1, 20906305280), (2, 10453152640), (4, 5226576320), (5, 4181261056), (7, 2986615040), (8, 2613288160), (10, 2090630528), (14, 1493307520), (16, 1306644080), (20, 1045315264), (28, 746653760), (32, 653322040), (35, 597323008), (40, 522657632), (56, 373326880), (64, 326661020), (70, 298661504), (80, 261328816), (112, 186663440), (128, 163330510), (140, 149330752), (160, 130664408), (224, 93331720), (256, 81665255), (280, 74665376), (320, 65332204), (448, 46665860), (560, 37332688), (640, 32666102), (896, 23332930), (1120, 18666344), (1280, 16333051), (1792, 11666465), (2240, 9333172), (4480, 4666586), (8960, 2333293)]