20210820188

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{3547}}^1\times {\mathrm{8429}}^1$

素因数の和:12006

約数の個数: 36

約数和(自身を含む): 38314248840

約数和(自身を除く): 18103428652

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 3547, 7094, 8429, 14188, 16858, 33716, 46111, 92222, 109577, 184444, 219154, 438308, 599443, 1198886, 1424501, 2397772, 2849002, 5698004, 29897663, 59795326, 119590652, 388669619, 777339238, 1554678476, 5052705047, 10105410094, 20210820188]

約数ペア:

[(1, 20210820188), (2, 10105410094), (4, 5052705047), (13, 1554678476), (26, 777339238), (52, 388669619), (169, 119590652), (338, 59795326), (676, 29897663), (3547, 5698004), (7094, 2849002), (8429, 2397772), (14188, 1424501), (16858, 1198886), (33716, 599443), (46111, 438308), (92222, 219154), (109577, 184444)]