20825392

素因数分解:

$2^4\times 7^2\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:386

約数の個数: 60

約数和(自身を含む): 47581776

約数和(自身を除く): 26756384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 101, 112, 196, 202, 263, 392, 404, 526, 707, 784, 808, 1052, 1414, 1616, 1841, 2104, 2828, 3682, 4208, 4949, 5656, 7364, 9898, 11312, 12887, 14728, 19796, 25774, 26563, 29456, 39592, 51548, 53126, 79184, 103096, 106252, 185941, 206192, 212504, 371882, 425008, 743764, 1301587, 1487528, 2603174, 2975056, 5206348, 10412696, 20825392]

約数ペア:

[(1, 20825392), (2, 10412696), (4, 5206348), (7, 2975056), (8, 2603174), (14, 1487528), (16, 1301587), (28, 743764), (49, 425008), (56, 371882), (98, 212504), (101, 206192), (112, 185941), (196, 106252), (202, 103096), (263, 79184), (392, 53126), (404, 51548), (526, 39592), (707, 29456), (784, 26563), (808, 25774), (1052, 19796), (1414, 14728), (1616, 12887), (1841, 11312), (2104, 9898), (2828, 7364), (3682, 5656), (4208, 4949)]