20903667

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{3631}}^1$

素因数の和:3754

約数の個数: 16

約数和(自身を含む): 29637120

約数和(自身を除く): 8733453

約数列:

[1, 3, 19, 57, 101, 303, 1919, 3631, 5757, 10893, 68989, 206967, 366731, 1100193, 6967889, 20903667]

約数ペア:

[(1, 20903667), (3, 6967889), (19, 1100193), (57, 366731), (101, 206967), (303, 68989), (1919, 10893), (3631, 5757)]