20096440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5521}}^1$

素因数の和:5552

約数の個数: 64

約数和(自身を含む): 55661760

約数和(自身を除く): 35565320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5521, 11042, 22084, 27605, 38647, 44168, 55210, 71773, 77294, 110420, 143546, 154588, 193235, 220840, 287092, 309176, 358865, 386470, 502411, 574184, 717730, 772940, 1004822, 1435460, 1545880, 2009644, 2512055, 2870920, 4019288, 5024110, 10048220, 20096440]

約数ペア:

[(1, 20096440), (2, 10048220), (4, 5024110), (5, 4019288), (7, 2870920), (8, 2512055), (10, 2009644), (13, 1545880), (14, 1435460), (20, 1004822), (26, 772940), (28, 717730), (35, 574184), (40, 502411), (52, 386470), (56, 358865), (65, 309176), (70, 287092), (91, 220840), (104, 193235), (130, 154588), (140, 143546), (182, 110420), (260, 77294), (280, 71773), (364, 55210), (455, 44168), (520, 38647), (728, 27605), (910, 22084), (1820, 11042), (3640, 5521)]