20002666212

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1291}}^1\times {\mathrm{10009}}^1$

素因数の和:11353

約数の個数: 72

約数和(自身を含む): 51783411680

約数和(自身を除く): 31780745468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1291, 1548, 2582, 3873, 5164, 7746, 10009, 11619, 15492, 20018, 23238, 30027, 40036, 46476, 55513, 60054, 90081, 111026, 120108, 166539, 180162, 222052, 333078, 360324, 430387, 499617, 666156, 860774, 999234, 1291161, 1721548, 1998468, 2582322, 3873483, 5164644, 7746966, 12921619, 15493932, 25843238, 38764857, 51686476, 77529714, 116294571, 155059428, 232589142, 465178284, 555629617, 1111259234, 1666888851, 2222518468, 3333777702, 5000666553, 6667555404, 10001333106, 20002666212]

約数ペア:

[(1, 20002666212), (2, 10001333106), (3, 6667555404), (4, 5000666553), (6, 3333777702), (9, 2222518468), (12, 1666888851), (18, 1111259234), (36, 555629617), (43, 465178284), (86, 232589142), (129, 155059428), (172, 116294571), (258, 77529714), (387, 51686476), (516, 38764857), (774, 25843238), (1291, 15493932), (1548, 12921619), (2582, 7746966), (3873, 5164644), (5164, 3873483), (7746, 2582322), (10009, 1998468), (11619, 1721548), (15492, 1291161), (20018, 999234), (23238, 860774), (30027, 666156), (40036, 499617), (46476, 430387), (55513, 360324), (60054, 333078), (90081, 222052), (111026, 180162), (120108, 166539)]