20573685

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 39424320

約数和(自身を除く): 18850635

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 89, 99, 165, 267, 445, 467, 495, 801, 979, 1335, 1401, 2335, 2937, 4005, 4203, 4895, 5137, 7005, 8811, 14685, 15411, 21015, 25685, 41563, 44055, 46233, 77055, 124689, 207815, 231165, 374067, 457193, 623445, 1371579, 1870335, 2285965, 4114737, 6857895, 20573685]

約数ペア:

[(1, 20573685), (3, 6857895), (5, 4114737), (9, 2285965), (11, 1870335), (15, 1371579), (33, 623445), (45, 457193), (55, 374067), (89, 231165), (99, 207815), (165, 124689), (267, 77055), (445, 46233), (467, 44055), (495, 41563), (801, 25685), (979, 21015), (1335, 15411), (1401, 14685), (2335, 8811), (2937, 7005), (4005, 5137), (4203, 4895)]