20402536

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3011}}^1$

素因数の和:3046

約数の個数: 48

約数和(自身を含む): 48071520

約数和(自身を除く): 27668984

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 3011, 3388, 6022, 6776, 12044, 21077, 24088, 33121, 42154, 66242, 84308, 132484, 168616, 231847, 264968, 364331, 463694, 728662, 927388, 1457324, 1854776, 2550317, 2914648, 5100634, 10201268, 20402536]

約数ペア:

[(1, 20402536), (2, 10201268), (4, 5100634), (7, 2914648), (8, 2550317), (11, 1854776), (14, 1457324), (22, 927388), (28, 728662), (44, 463694), (56, 364331), (77, 264968), (88, 231847), (121, 168616), (154, 132484), (242, 84308), (308, 66242), (484, 42154), (616, 33121), (847, 24088), (968, 21077), (1694, 12044), (3011, 6776), (3388, 6022)]