20778498

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29599}}^1$

素因数の和:29623

約数の個数: 32

約数和(自身を含む): 49728000

約数和(自身を除く): 28949502

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 29599, 59198, 88797, 177594, 266391, 384787, 532782, 769574, 799173, 1154361, 1598346, 2308722, 3463083, 6926166, 10389249, 20778498]

約数ペア:

[(1, 20778498), (2, 10389249), (3, 6926166), (6, 3463083), (9, 2308722), (13, 1598346), (18, 1154361), (26, 799173), (27, 769574), (39, 532782), (54, 384787), (78, 266391), (117, 177594), (234, 88797), (351, 59198), (702, 29599)]