20242145

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 64

約数和(自身を含む): 32832000

約数和(自身を除く): 12589855

約数列:

[1, 5, 7, 11, 29, 35, 37, 49, 55, 77, 145, 185, 203, 245, 259, 319, 343, 385, 407, 539, 1015, 1073, 1295, 1421, 1595, 1715, 1813, 2035, 2233, 2695, 2849, 3773, 5365, 7105, 7511, 9065, 9947, 11165, 11803, 12691, 14245, 15631, 18865, 19943, 37555, 49735, 52577, 59015, 63455, 78155, 82621, 99715, 109417, 139601, 262885, 368039, 413105, 547085, 578347, 698005, 1840195, 2891735, 4048429, 20242145]

約数ペア:

[(1, 20242145), (5, 4048429), (7, 2891735), (11, 1840195), (29, 698005), (35, 578347), (37, 547085), (49, 413105), (55, 368039), (77, 262885), (145, 139601), (185, 109417), (203, 99715), (245, 82621), (259, 78155), (319, 63455), (343, 59015), (385, 52577), (407, 49735), (539, 37555), (1015, 19943), (1073, 18865), (1295, 15631), (1421, 14245), (1595, 12691), (1715, 11803), (1813, 11165), (2035, 9947), (2233, 9065), (2695, 7511), (2849, 7105), (3773, 5365)]