20777253

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 33158400

約数和(自身を除く): 12381147

約数列:

[1, 3, 7, 21, 29, 87, 109, 203, 313, 327, 609, 763, 939, 2191, 2289, 3161, 6573, 9077, 9483, 22127, 27231, 34117, 63539, 66381, 102351, 190617, 238819, 716457, 989393, 2968179, 6925751, 20777253]

約数ペア:

[(1, 20777253), (3, 6925751), (7, 2968179), (21, 989393), (29, 716457), (87, 238819), (109, 190617), (203, 102351), (313, 66381), (327, 63539), (609, 34117), (763, 27231), (939, 22127), (2191, 9483), (2289, 9077), (3161, 6573)]