20019033495

素因数分解:

$3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{6451}}^1$

素因数の和:6773

約数の個数: 64

約数和(自身を含む): 36073390080

約数和(自身を除く): 16054356585

約数列:

[1, 3, 5, 9, 15, 27, 45, 127, 135, 181, 381, 543, 635, 905, 1143, 1629, 1905, 2715, 3429, 4887, 5715, 6451, 8145, 17145, 19353, 22987, 24435, 32255, 58059, 68961, 96765, 114935, 174177, 206883, 290295, 344805, 620649, 819277, 870885, 1034415, 1167631, 2457831, 3103245, 3502893, 4096385, 5838155, 7373493, 10508679, 12289155, 17514465, 22120479, 31526037, 36867465, 52543395, 110602395, 148289137, 157630185, 444867411, 741445685, 1334602233, 2224337055, 4003806699, 6673011165, 20019033495]

約数ペア:

[(1, 20019033495), (3, 6673011165), (5, 4003806699), (9, 2224337055), (15, 1334602233), (27, 741445685), (45, 444867411), (127, 157630185), (135, 148289137), (181, 110602395), (381, 52543395), (543, 36867465), (635, 31526037), (905, 22120479), (1143, 17514465), (1629, 12289155), (1905, 10508679), (2715, 7373493), (3429, 5838155), (4887, 4096385), (5715, 3502893), (6451, 3103245), (8145, 2457831), (17145, 1167631), (19353, 1034415), (22987, 870885), (24435, 819277), (32255, 620649), (58059, 344805), (68961, 290295), (96765, 206883), (114935, 174177)]