19954880

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5669}}^1$

素因数の和:5697

約数の個数: 56

約数和(自身を含む): 51846480

約数和(自身を除く): 31891600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5669, 11338, 22676, 28345, 45352, 56690, 62359, 90704, 113380, 124718, 181408, 226760, 249436, 311795, 362816, 453520, 498872, 623590, 907040, 997744, 1247180, 1814080, 1995488, 2494360, 3990976, 4988720, 9977440, 19954880]

約数ペア:

[(1, 19954880), (2, 9977440), (4, 4988720), (5, 3990976), (8, 2494360), (10, 1995488), (11, 1814080), (16, 1247180), (20, 997744), (22, 907040), (32, 623590), (40, 498872), (44, 453520), (55, 362816), (64, 311795), (80, 249436), (88, 226760), (110, 181408), (160, 124718), (176, 113380), (220, 90704), (320, 62359), (352, 56690), (440, 45352), (704, 28345), (880, 22676), (1760, 11338), (3520, 5669)]