20190771132

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{371509}}^1$

素因数の和:372170

約数の個数: 48

約数和(自身を含む): 53925419520

約数和(自身を除く): 33734648388

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 647, 1294, 1941, 2588, 3882, 4529, 7764, 9058, 13587, 18116, 27174, 54348, 371509, 743018, 1114527, 1486036, 2229054, 2600563, 4458108, 5201126, 7801689, 10402252, 15603378, 31206756, 240366323, 480732646, 721098969, 961465292, 1442197938, 1682564261, 2884395876, 3365128522, 5047692783, 6730257044, 10095385566, 20190771132]

約数ペア:

[(1, 20190771132), (2, 10095385566), (3, 6730257044), (4, 5047692783), (6, 3365128522), (7, 2884395876), (12, 1682564261), (14, 1442197938), (21, 961465292), (28, 721098969), (42, 480732646), (84, 240366323), (647, 31206756), (1294, 15603378), (1941, 10402252), (2588, 7801689), (3882, 5201126), (4529, 4458108), (7764, 2600563), (9058, 2229054), (13587, 1486036), (18116, 1114527), (27174, 743018), (54348, 371509)]