20627145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5953}}^1$

素因数の和:5982

約数の個数: 48

約数和(自身を含む): 44583552

約数和(自身を除く): 23956407

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 5953, 17859, 29765, 41671, 53577, 65483, 89295, 125013, 196449, 208355, 267885, 327415, 375039, 458381, 589347, 625065, 982245, 1375143, 1875195, 2291905, 2946735, 4125429, 6875715, 20627145]

約数ペア:

[(1, 20627145), (3, 6875715), (5, 4125429), (7, 2946735), (9, 2291905), (11, 1875195), (15, 1375143), (21, 982245), (33, 625065), (35, 589347), (45, 458381), (55, 375039), (63, 327415), (77, 267885), (99, 208355), (105, 196449), (165, 125013), (231, 89295), (315, 65483), (385, 53577), (495, 41671), (693, 29765), (1155, 17859), (3465, 5953)]