20818982

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:416

約数の個数: 24

約数和(自身を含む): 33524400

約数和(自身を除く): 12705418

約数列:

[1, 2, 17, 34, 181, 199, 289, 362, 398, 578, 3077, 3383, 6154, 6766, 36019, 52309, 57511, 72038, 104618, 115022, 612323, 1224646, 10409491, 20818982]

約数ペア:

[(1, 20818982), (2, 10409491), (17, 1224646), (34, 612323), (181, 115022), (199, 104618), (289, 72038), (362, 57511), (398, 52309), (578, 36019), (3077, 6766), (3383, 6154)]