20837388

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12143}}^1$

素因数の和:12174

約数の個数: 48

約数和(自身を含む): 57125376

約数和(自身を除く): 36287988

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12143, 24286, 36429, 48572, 72858, 133573, 145716, 157859, 267146, 315718, 400719, 473577, 534292, 631436, 801438, 947154, 1602876, 1736449, 1894308, 3472898, 5209347, 6945796, 10418694, 20837388]

約数ペア:

[(1, 20837388), (2, 10418694), (3, 6945796), (4, 5209347), (6, 3472898), (11, 1894308), (12, 1736449), (13, 1602876), (22, 947154), (26, 801438), (33, 631436), (39, 534292), (44, 473577), (52, 400719), (66, 315718), (78, 267146), (132, 157859), (143, 145716), (156, 133573), (286, 72858), (429, 48572), (572, 36429), (858, 24286), (1716, 12143)]