20048912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{853}}^1$

素因数の和:987

約数の個数: 40

約数和(自身を含む): 42252504

約数和(自身を除く): 22203592

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 113, 208, 226, 452, 853, 904, 1469, 1706, 1808, 2938, 3412, 5876, 6824, 11089, 11752, 13648, 22178, 23504, 44356, 88712, 96389, 177424, 192778, 385556, 771112, 1253057, 1542224, 2506114, 5012228, 10024456, 20048912]

約数ペア:

[(1, 20048912), (2, 10024456), (4, 5012228), (8, 2506114), (13, 1542224), (16, 1253057), (26, 771112), (52, 385556), (104, 192778), (113, 177424), (208, 96389), (226, 88712), (452, 44356), (853, 23504), (904, 22178), (1469, 13648), (1706, 11752), (1808, 11089), (2938, 6824), (3412, 5876)]