20032012

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5003}}^1$

素因数の和:5038

約数の個数: 48

約数和(自身を含む): 47077632

約数和(自身を除く): 27045620

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, 5003, 10006, 20012, 35021, 55033, 65039, 70042, 110066, 130078, 140084, 220132, 260156, 385231, 455273, 715429, 770462, 910546, 1430858, 1540924, 1821092, 2861716, 5008003, 10016006, 20032012]

約数ペア:

[(1, 20032012), (2, 10016006), (4, 5008003), (7, 2861716), (11, 1821092), (13, 1540924), (14, 1430858), (22, 910546), (26, 770462), (28, 715429), (44, 455273), (52, 385231), (77, 260156), (91, 220132), (143, 140084), (154, 130078), (182, 110066), (286, 70042), (308, 65039), (364, 55033), (572, 35021), (1001, 20012), (2002, 10006), (4004, 5003)]