20176156

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5039}}^1$

素因数の和:5074

約数の個数: 48

約数和(自身を含む): 47416320

約数和(自身を除く): 27240164

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 5039, 10078, 20156, 35273, 55429, 65507, 70546, 110858, 131014, 141092, 221716, 262028, 388003, 458549, 720577, 776006, 917098, 1441154, 1552012, 1834196, 2882308, 5044039, 10088078, 20176156]

約数ペア:

[(1, 20176156), (2, 10088078), (4, 5044039), (7, 2882308), (11, 1834196), (13, 1552012), (14, 1441154), (22, 917098), (26, 776006), (28, 720577), (44, 458549), (52, 388003), (77, 262028), (91, 221716), (143, 141092), (154, 131014), (182, 110858), (286, 70546), (308, 65507), (364, 55429), (572, 35273), (1001, 20156), (2002, 10078), (4004, 5039)]