20131119164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{4933}}^1\times {\mathrm{78479}}^1$

素因数の和:83429

約数の個数: 24

約数和(自身を含む): 37947591360

約数和(自身を除く): 17816472196

約数列:

[1, 2, 4, 13, 26, 52, 4933, 9866, 19732, 64129, 78479, 128258, 156958, 256516, 313916, 1020227, 2040454, 4080908, 387136907, 774273814, 1548547628, 5032779791, 10065559582, 20131119164]

約数ペア:

[(1, 20131119164), (2, 10065559582), (4, 5032779791), (13, 1548547628), (26, 774273814), (52, 387136907), (4933, 4080908), (9866, 2040454), (19732, 1020227), (64129, 313916), (78479, 256516), (128258, 156958)]