20629478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13241}}^1$

素因数の和:13303

約数の個数: 16

約数和(自身を含む): 33369840

約数和(自身を除く): 12740362

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 13241, 26482, 251579, 503158, 542881, 1085762, 10314739, 20629478]

約数ペア:

[(1, 20629478), (2, 10314739), (19, 1085762), (38, 542881), (41, 503158), (82, 251579), (779, 26482), (1558, 13241)]