20216973

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 32313600

約数和(自身を除く): 12096627

約数列:

[1, 3, 7, 21, 29, 87, 89, 203, 267, 373, 609, 623, 1119, 1869, 2581, 2611, 7743, 7833, 10817, 18067, 32451, 33197, 54201, 75719, 99591, 227157, 232379, 697137, 962713, 2888139, 6738991, 20216973]

約数ペア:

[(1, 20216973), (3, 6738991), (7, 2888139), (21, 962713), (29, 697137), (87, 232379), (89, 227157), (203, 99591), (267, 75719), (373, 54201), (609, 33197), (623, 32451), (1119, 18067), (1869, 10817), (2581, 7833), (2611, 7743)]