20582289

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8377}}^1$

素因数の和:8406

約数の個数: 32

約数和(自身を含む): 37533440

約数和(自身を除く): 16951151

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8377, 25131, 58639, 75393, 108901, 175917, 226179, 326703, 527751, 762307, 980109, 1583253, 2286921, 2940327, 6860763, 20582289]

約数ペア:

[(1, 20582289), (3, 6860763), (7, 2940327), (9, 2286921), (13, 1583253), (21, 980109), (27, 762307), (39, 527751), (63, 326703), (91, 226179), (117, 175917), (189, 108901), (273, 75393), (351, 58639), (819, 25131), (2457, 8377)]