20161361367

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{323581}}^1$

素因数の和:323660

約数の個数: 48

約数和(自身を含む): 35537069568

約数和(自身を除く): 15375708201

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 129, 161, 207, 301, 387, 483, 903, 989, 1449, 2709, 2967, 6923, 8901, 20769, 62307, 323581, 970743, 2265067, 2912229, 6795201, 7442363, 13913983, 20385603, 22327089, 41741949, 52096541, 66981267, 97397881, 125225847, 156289623, 292193643, 320021609, 468868869, 876580929, 960064827, 2240151263, 2880194481, 6720453789, 20161361367]

約数ペア:

[(1, 20161361367), (3, 6720453789), (7, 2880194481), (9, 2240151263), (21, 960064827), (23, 876580929), (43, 468868869), (63, 320021609), (69, 292193643), (129, 156289623), (161, 125225847), (207, 97397881), (301, 66981267), (387, 52096541), (483, 41741949), (903, 22327089), (989, 20385603), (1449, 13913983), (2709, 7442363), (2967, 6795201), (6923, 2912229), (8901, 2265067), (20769, 970743), (62307, 323581)]