16820538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12919}}^1$

素因数の和:12962

約数の個数: 32

約数和(自身を含む): 39690240

約数和(自身を除く): 22869702

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 12919, 25838, 38757, 77514, 90433, 180866, 271299, 400489, 542598, 800978, 1201467, 2402934, 2803423, 5606846, 8410269, 16820538]

約数ペア:

[(1, 16820538), (2, 8410269), (3, 5606846), (6, 2803423), (7, 2402934), (14, 1201467), (21, 800978), (31, 542598), (42, 400489), (62, 271299), (93, 180866), (186, 90433), (217, 77514), (434, 38757), (651, 25838), (1302, 12919)]