20157564252

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5580721}}^1$

素因数の和:5580778

約数の個数: 48

約数和(自身を含む): 55003596032

約数和(自身を除く): 34846031780

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5580721, 11161442, 16742163, 22322884, 33484326, 39065047, 66968652, 78130094, 117195141, 156260188, 234390282, 239971003, 468780564, 479942006, 719913009, 959884012, 1439826018, 1679797021, 2879652036, 3359594042, 5039391063, 6719188084, 10078782126, 20157564252]

約数ペア:

[(1, 20157564252), (2, 10078782126), (3, 6719188084), (4, 5039391063), (6, 3359594042), (7, 2879652036), (12, 1679797021), (14, 1439826018), (21, 959884012), (28, 719913009), (42, 479942006), (43, 468780564), (84, 239971003), (86, 234390282), (129, 156260188), (172, 117195141), (258, 78130094), (301, 66968652), (516, 39065047), (602, 33484326), (903, 22322884), (1204, 16742163), (1806, 11161442), (3612, 5580721)]