20603774

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1\times {\mathrm{389}}^1$

素因数の和:835

約数の個数: 16

約数和(自身を含む): 31505760

約数和(自身を除く): 10901986

約数列:

[1, 2, 71, 142, 373, 389, 746, 778, 26483, 27619, 52966, 55238, 145097, 290194, 10301887, 20603774]

約数ペア:

[(1, 20603774), (2, 10301887), (71, 290194), (142, 145097), (373, 55238), (389, 52966), (746, 27619), (778, 26483)]