20978448

素因数分解:

$2^4\times 3^1\times {\mathrm{73}}^1\times {\mathrm{5987}}^1$

素因数の和:6071

約数の個数: 40

約数和(自身を含む): 54945888

約数和(自身を除く): 33967440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 73, 146, 219, 292, 438, 584, 876, 1168, 1752, 3504, 5987, 11974, 17961, 23948, 35922, 47896, 71844, 95792, 143688, 287376, 437051, 874102, 1311153, 1748204, 2622306, 3496408, 5244612, 6992816, 10489224, 20978448]

約数ペア:

[(1, 20978448), (2, 10489224), (3, 6992816), (4, 5244612), (6, 3496408), (8, 2622306), (12, 1748204), (16, 1311153), (24, 874102), (48, 437051), (73, 287376), (146, 143688), (219, 95792), (292, 71844), (438, 47896), (584, 35922), (876, 23948), (1168, 17961), (1752, 11974), (3504, 5987)]