20507954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13163}}^1$

素因数の和:13225

約数の個数: 16

約数和(自身を含む): 33173280

約数和(自身を除く): 12665326

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 13163, 26326, 250097, 500194, 539683, 1079366, 10253977, 20507954]

約数ペア:

[(1, 20507954), (2, 10253977), (19, 1079366), (38, 539683), (41, 500194), (82, 250097), (779, 26326), (1558, 13163)]