20437318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 34560288

約数和(自身を除く): 14122970

約数列:

[1, 2, 11, 22, 61, 97, 122, 157, 194, 314, 671, 1067, 1342, 1727, 2134, 3454, 5917, 9577, 11834, 15229, 19154, 30458, 65087, 105347, 130174, 167519, 210694, 335038, 928969, 1857938, 10218659, 20437318]

約数ペア:

[(1, 20437318), (2, 10218659), (11, 1857938), (22, 928969), (61, 335038), (97, 210694), (122, 167519), (157, 130174), (194, 105347), (314, 65087), (671, 30458), (1067, 19154), (1342, 15229), (1727, 11834), (2134, 9577), (3454, 5917)]