20636718

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 42239232

約数和(自身を除く): 21602514

約数列:

[1, 2, 3, 6, 71, 142, 193, 213, 251, 386, 426, 502, 579, 753, 1158, 1506, 13703, 17821, 27406, 35642, 41109, 48443, 53463, 82218, 96886, 106926, 145329, 290658, 3439453, 6878906, 10318359, 20636718]

約数ペア:

[(1, 20636718), (2, 10318359), (3, 6878906), (6, 3439453), (71, 290658), (142, 145329), (193, 106926), (213, 96886), (251, 82218), (386, 53463), (426, 48443), (502, 41109), (579, 35642), (753, 27406), (1158, 17821), (1506, 13703)]