20215402581

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{244351}}^1$

素因数の和:244497

約数の個数: 32

約数和(自身を含む): 30964285440

約数和(自身を除く): 10748882859

約数列:

[1, 3, 11, 23, 33, 69, 109, 253, 327, 759, 1199, 2507, 3597, 7521, 27577, 82731, 244351, 733053, 2687861, 5620073, 8063583, 16860219, 26634259, 61820803, 79902777, 185462409, 292976849, 612587957, 878930547, 1837763871, 6738467527, 20215402581]

約数ペア:

[(1, 20215402581), (3, 6738467527), (11, 1837763871), (23, 878930547), (33, 612587957), (69, 292976849), (109, 185462409), (253, 79902777), (327, 61820803), (759, 26634259), (1199, 16860219), (2507, 8063583), (3597, 5620073), (7521, 2687861), (27577, 733053), (82731, 244351)]