201020809940

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1597}}^1\times {\mathrm{14207}}^1$

素因数の和:16256

約数の個数: 48

約数和(自身を含む): 423391352832

約数和(自身を除く): 222370542892

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1597, 1772, 2215, 3194, 4430, 6388, 7985, 8860, 14207, 15970, 28414, 31940, 56828, 71035, 142070, 284140, 707471, 1414942, 2829884, 3537355, 6293701, 7074710, 12587402, 14149420, 22688579, 25174804, 31468505, 45377158, 62937010, 90754316, 113442895, 125874020, 226885790, 453771580, 10051040497, 20102080994, 40204161988, 50255202485, 100510404970, 201020809940]

約数ペア:

[(1, 201020809940), (2, 100510404970), (4, 50255202485), (5, 40204161988), (10, 20102080994), (20, 10051040497), (443, 453771580), (886, 226885790), (1597, 125874020), (1772, 113442895), (2215, 90754316), (3194, 62937010), (4430, 45377158), (6388, 31468505), (7985, 25174804), (8860, 22688579), (14207, 14149420), (15970, 12587402), (28414, 7074710), (31940, 6293701), (56828, 3537355), (71035, 2829884), (142070, 1414942), (284140, 707471)]