20142876140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1567}}^1\times {\mathrm{14947}}^1$

素因数の和:16566

約数の個数: 48

約数和(自身を含む): 43314281472

約数和(自身を除く): 23171405332

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1567, 3134, 6268, 7835, 14947, 15670, 29894, 31340, 59788, 67381, 74735, 134762, 149470, 269524, 298940, 336905, 642721, 673810, 1285442, 1347620, 2570884, 3213605, 6427210, 12854420, 23421949, 46843898, 93687796, 117109745, 234219490, 468438980, 1007143807, 2014287614, 4028575228, 5035719035, 10071438070, 20142876140]

約数ペア:

[(1, 20142876140), (2, 10071438070), (4, 5035719035), (5, 4028575228), (10, 2014287614), (20, 1007143807), (43, 468438980), (86, 234219490), (172, 117109745), (215, 93687796), (430, 46843898), (860, 23421949), (1567, 12854420), (3134, 6427210), (6268, 3213605), (7835, 2570884), (14947, 1347620), (15670, 1285442), (29894, 673810), (31340, 642721), (59788, 336905), (67381, 298940), (74735, 269524), (134762, 149470)]