20495829

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 30668544

約数和(自身を除く): 10172715

約数列:

[1, 3, 17, 23, 51, 69, 101, 173, 303, 391, 519, 1173, 1717, 2323, 2941, 3979, 5151, 6969, 8823, 11937, 17473, 39491, 52419, 67643, 118473, 202929, 297041, 401879, 891123, 1205637, 6831943, 20495829]

約数ペア:

[(1, 20495829), (3, 6831943), (17, 1205637), (23, 891123), (51, 401879), (69, 297041), (101, 202929), (173, 118473), (303, 67643), (391, 52419), (519, 39491), (1173, 17473), (1717, 11937), (2323, 8823), (2941, 6969), (3979, 5151)]