20922548548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{51059}}^1$

素因数の和:51280

約数の個数: 48

約数和(自身を含む): 40831660800

約数和(自身を除く): 19909112252

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 139, 268, 278, 556, 737, 1474, 1529, 2948, 3058, 6116, 9313, 18626, 37252, 51059, 102118, 102443, 204236, 204886, 409772, 561649, 1123298, 2246596, 3420953, 6841906, 7097201, 13683812, 14194402, 28388804, 37630483, 75260966, 78069211, 150521932, 156138422, 312276844, 475512467, 951024934, 1902049868, 5230637137, 10461274274, 20922548548]

約数ペア:

[(1, 20922548548), (2, 10461274274), (4, 5230637137), (11, 1902049868), (22, 951024934), (44, 475512467), (67, 312276844), (134, 156138422), (139, 150521932), (268, 78069211), (278, 75260966), (556, 37630483), (737, 28388804), (1474, 14194402), (1529, 13683812), (2948, 7097201), (3058, 6841906), (6116, 3420953), (9313, 2246596), (18626, 1123298), (37252, 561649), (51059, 409772), (102118, 204886), (102443, 204236)]