20398188

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 49512960

約数和(自身を除く): 29114772

約数列:

[1, 2, 3, 4, 6, 12, 47, 59, 94, 118, 141, 177, 188, 236, 282, 354, 564, 613, 708, 1226, 1839, 2452, 2773, 3678, 5546, 7356, 8319, 11092, 16638, 28811, 33276, 36167, 57622, 72334, 86433, 108501, 115244, 144668, 172866, 217002, 345732, 434004, 1699849, 3399698, 5099547, 6799396, 10199094, 20398188]

約数ペア:

[(1, 20398188), (2, 10199094), (3, 6799396), (4, 5099547), (6, 3399698), (12, 1699849), (47, 434004), (59, 345732), (94, 217002), (118, 172866), (141, 144668), (177, 115244), (188, 108501), (236, 86433), (282, 72334), (354, 57622), (564, 36167), (613, 33276), (708, 28811), (1226, 16638), (1839, 11092), (2452, 8319), (2773, 7356), (3678, 5546)]