20258998

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{6203}}^1$

素因数の和:6299

約数の個数: 16

約数和(自身を含む): 32161536

約数和(自身を除く): 11902538

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 6203, 12406, 142669, 285338, 440413, 880826, 10129499, 20258998]

約数ペア:

[(1, 20258998), (2, 10129499), (23, 880826), (46, 440413), (71, 285338), (142, 142669), (1633, 12406), (3266, 6203)]