20019996

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29269}}^1$

素因数の和:29298

約数の個数: 36

約数和(自身を含む): 53271400

約数和(自身を除く): 33251404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 29269, 58538, 87807, 117076, 175614, 263421, 351228, 526842, 556111, 1053684, 1112222, 1668333, 2224444, 3336666, 5004999, 6673332, 10009998, 20019996]

約数ペア:

[(1, 20019996), (2, 10009998), (3, 6673332), (4, 5004999), (6, 3336666), (9, 2224444), (12, 1668333), (18, 1112222), (19, 1053684), (36, 556111), (38, 526842), (57, 351228), (76, 263421), (114, 175614), (171, 117076), (228, 87807), (342, 58538), (684, 29269)]