20128966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70381}}^1$

素因数の和:70407

約数の個数: 16

約数和(自身を含む): 35472528

約数和(自身を除く): 15343562

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 70381, 140762, 774191, 914953, 1548382, 1829906, 10064483, 20128966]

約数ペア:

[(1, 20128966), (2, 10064483), (11, 1829906), (13, 1548382), (22, 914953), (26, 774191), (143, 140762), (286, 70381)]